Rust-proof contracted pipe terminal with anti-loosening function

Abstract

The invention provides an anti-rust contracted pipe terminal with an anti-loosening function, and relates to the technical field of contracted pipe terminals. A centering block is fixedly connected to the middle of the top of the adjusting seat, the middle of the centering block is designed in a penetrating mode, the front side and the rear side of the top of the adjusting seat are each provided with a positioning frame, and the middle of the interior of the centering block is rotationally connected with the middle of the two-way screw. After the mother terminal and the son terminal are in butt joint, even if the mother terminal and the son terminal have pulling force, the pulling force is shared by the two auxiliary bolts B and the two auxiliary bolts A, and the two clamping claws A and the two clamping claws B synchronously share the pulling force existing in the mother terminal and the son terminal. And the connection position of the female terminal and the sub-terminal is prevented from being loosened due to stress. The problem that normal use is affected due to the fact that an existing contracted pipe terminal is installed in a plug-in mode when butt joint is carried out, and the connection position is prone to loosening, so that a wire and a connector are disconnected is solved.

Description

Technical Field

[0001] The invention relates to the technical field of shrink tube terminals, and in particular to a rust-proof shrink tube terminal with an anti-loosening function. Background Art

[0002] Shrink tube terminals are an accessory product used for electrical connections. They are mainly made by putting shrink tubes between wires and connectors and heating them to compress them, thereby achieving a tight connection. This connection method has good insulation performance and can be used in harsh working environments. It is widely used in automobiles, electronic instruments, communications equipment and other fields.

[0003] Understanding the application of existing shrink tube terminals: When shrink tube terminals are connected, they are installed by plugging. The connection position is prone to loosening, resulting in disconnection between the wires and the connector, affecting normal use.

[0004] Therefore, in view of this, the existing structure and defects are studied and improved, and a rust-proof shrink tube terminal with anti-loosening function is provided, in order to achieve a more practical purpose. Summary of the invention

[0005] In order to solve the above technical problems, the present invention provides a rust-proof shrink tube terminal with an anti-loosening function to solve the problem that the existing shrink tube terminals are installed in a plug-in manner during docking, and the connection position is prone to loosening, resulting in disconnection between the wires and the connector position, affecting normal use.

[0006] The present invention provides a rust-proof shrink tube terminal with an anti-loosening function, specifically comprising: an adjusting seat; a centering block is fixedly connected to the middle position of the top of the adjusting seat, the middle position of the centering block is a through-design, a positioning frame is respectively arranged at the front and rear sides of the top of the adjusting seat, the inner middle position of the centering block is rotatably connected to the middle position of the bidirectional screw, the front and rear end positions of the bidirectional screw are respectively arranged with threads, and the threads at the front and rear ends of the bidirectional screw are symmetrically designed, the front and rear end positions of the bidirectional screw are respectively located at the inner position of a positioning frame, and the two end positions of the bidirectional screw are both provided with hexagonal slots, the top front end position of the adjusting seat is slidably connected with a spacing block A, the front middle position of the spacing block A is provided with a threaded hole, the front end position of the bidirectional screw is located in the threaded hole of the spacing block A, the top rear end position of the adjusting seat is slidably connected with a spacing block B, the front middle position of the spacing block B is provided with a threaded hole, the rear end position of the bidirectional screw is located in the threaded hole of the spacing block B, and the spacing block B is symmetrically designed with the spacing block A.

[0007] Furthermore, the top position of the spacing block A is fixedly connected to a limit frame A with a cylindrical shape, the inner position of the limit frame A is rotatably connected to a transmission ring A, the front end position of the transmission ring A is provided with a spiral groove, and the rear end position of the transmission ring A is designed as a bevel gear structure, and a sub-terminal is plugged into the inner middle position of the limit frame A.

[0008] Furthermore, the upper end of the inner portion of the limit frame A is rotatably connected with an adjusting gear A, and the adjusting gear A is designed as a bevel gear structure. The adjusting gear A is meshed with the rear end bevel gear structure of the transmission ring A for transmission.

[0009] Furthermore, a sliding groove is respectively provided on the left and right sides of the front end of the limit frame A, and a clamping claw A with an L-shaped design is slidably connected in each sliding groove of the limit frame A, a threaded hole is provided on the outer side of each clamping claw A, and an auxiliary bolt A is rotatably connected in the threaded hole of each clamping claw A, an arc groove is provided at the rear end of the clamping claw A, and the arc grooves at the rear ends of the two clamping claws A are meshed with the spiral grooves of the transmission ring A for transmission, and the inner sides of the two clamping claws A are in contact with the sub-terminals.

[0010] Furthermore, the top position of the spacing block B is fixedly connected to a limit frame B with a cylindrical shape, the internal position of the limit frame B is rotatably connected to a transmission ring B, the rear end position of the transmission ring B is provided with a spiral groove, and the front end position of the transmission ring B is designed as a bevel gear structure, and a female terminal is plugged into the middle position of the internal portion of the limit frame B, and the female terminal is plugged into the sub-terminal.

[0011] Furthermore, the upper end of the inner portion of the limit frame B is rotatably connected with an adjusting gear B, which is designed as a bevel gear structure. The adjusting gear B is meshed with the front end bevel gear structure of the transmission ring B for transmission.

[0012] Furthermore, a slide groove is respectively provided on the left and right sides of the rear end of the limit frame B, and an L-shaped clamping claw B is slidably connected in each slide groove of the limit frame B, a threaded hole is provided on the outer side of each clamping claw B, and an auxiliary bolt B is rotatably connected in the threaded hole of each clamping claw B.

[0013] Furthermore, an arc groove is provided at the front end of the clamping claw B, and the arc grooves at the front ends of the two clamping claws B are meshed with the spiral grooves of the transmission ring B for transmission, and the inner sides of the two clamping claws B are in contact with the female terminal.

[0014] Compared with the prior art, the present invention has the following beneficial effects: After the female terminal and the sub-terminal are connected, even when there is a pulling force between the female terminal and the sub-terminal, the pulling force will be shared by the two auxiliary bolts B and the two auxiliary bolts A. At the same time, the two clamping claws A and the two clamping claws B synchronously share the pulling force between the female terminal and the sub-terminal to prevent the connection position between the female terminal and the sub-terminal from being loosened due to force.

[0015] After rotating the bidirectional screw, the bidirectional screw will drive the spacing block B and the spacing block A to move to opposite positions. When the mother terminal and the sub-terminal are not plugged in, the proximity of the spacing block B and the spacing block A facilitates the plugging of the mother terminal and the sub-terminal. Rotating the bidirectional screw in the opposite direction will increase the distance between the spacing block B and the spacing block A, thereby assisting in disconnecting the mother terminal and the sub-terminal.

[0016] After the sub-terminal is placed inside the limit frame A, the adjusting gear A is rotated to drive the transmission ring A to rotate. Through the cooperation between the spiral groove of the transmission ring A and the arc grooves of the two clamping claws A, the two clamping claws A slide inward in the sliding groove of the limit frame A until the inner positions of the two clamping claws A clamp and fix the sub-terminal, thereby limiting and fixing the sub-terminal. In addition, after the two auxiliary bolts A are rotated respectively, the inner positions of the two auxiliary bolts A are both in contact with the outer positions of the sub-terminal, thereby achieving a secondary limiting effect on the sub-terminal.

[0017] After the female terminal is placed inside the limit frame B, the adjusting gear B is rotated to drive the transmission ring B to rotate. Through the cooperation between the spiral groove of the transmission ring B and the arc grooves of the two clamping claws B, the two clamping claws B slide inward in the sliding groove of the limit frame B until the inner positions of the two clamping claws B clamp and fix the female terminal, thereby limiting and fixing the female terminal. In addition, after rotating the two auxiliary bolts B respectively, the inner positions of the two auxiliary bolts B are in contact with the outer positions of the female terminal, thereby achieving a secondary limiting effect on the female terminal. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solution of the embodiment of the present invention, the drawings of the embodiment are briefly introduced below.

[0019] In the attached picture: Figure 1 A schematic diagram of the top view of the rust-proof shrink tube terminal according to an embodiment of the present invention is shown; Figure 2 The left side structural schematic diagram of the rust-proof shrink tube terminal according to an embodiment of the present invention is shown; Figure 3 A schematic diagram of the side structure of a rust-proof shrink tube terminal according to an embodiment of the present invention is shown; Figure 4 A schematic diagram of the top view of the structure of the adjustment seat according to an embodiment of the present invention is shown; Figure 5A schematic diagram of the side structure of the adjustment seat according to an embodiment of the present invention is shown; Figure 6 A schematic diagram of a half-section side view of the structure of a limiting frame A according to an embodiment of the present invention is shown; Figure 7 A schematic diagram of a half-section rear side view of a limiting frame A according to an embodiment of the present invention is shown; Reference numerals list 1. Adjusting seat; 101. Centering block; 102. Positioning frame; 103. Bidirectional screw; 104. Spacing block A; 105. Spacing block B; 2. Limiting frame A; 201. Transmission ring A; 202. Adjusting gear A; 203. Clamping claw A; 204. Auxiliary bolt A; 3. Limiting frame B; 301. Transmission ring B; 302. Adjusting gear B; 303. Clamping claw B; 304. Auxiliary bolt B; 4. Sub-terminal; 5. Female terminal. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present disclosure to clearly and completely describe the technical solutions in the embodiments of the present disclosure. Obviously, the described embodiments are only part of the embodiments of the present disclosure, not all of the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present disclosure.

[0021] Unless otherwise defined, all terms (including technical and scientific terms) used in the embodiments of the present disclosure have the same meanings as commonly understood by those of ordinary skill in the art to which the present disclosure belongs. It should also be understood that terms such as those defined in common dictionaries should be interpreted as having meanings consistent with their meanings in the context of the relevant technology, and should not be interpreted in an idealized or extremely formal sense, unless explicitly defined in this manner in the embodiments of the present disclosure.

[0022] The "first", "second" and similar words used in the embodiments of the present disclosure do not indicate any order, quantity or importance, but are only used to distinguish different components. "One", "one" or "the" and similar words do not indicate a quantity limitation, but indicate that there is at least one. Similarly, "including" or "comprising" and similar words mean that the element or object appearing in front of the word covers the elements or objects listed after the word and their equivalents, without excluding other elements or objects. In the following description, spatial and directional terms such as "upper", "lower", "front", "back", "top", "bottom", "vertical" and "horizontal" may be used to describe the embodiments of the present disclosure, but it should be understood that these terms are only for the convenience of describing the embodiments shown in the figures, and do not require the actual device to be constructed or operated in a specific orientation. In the following description, the use of terms such as "connect", "connect", "fix" and "attach" may refer to two elements or structures being directly connected without other elements or structures between them, or may refer to two elements or structures being indirectly connected through an intermediate element or structure, unless otherwise clearly stated in this article.

[0023] Embodiment 1:

[0024] As attached Figure 1 To Attachment Figure 7 As shown: The present invention provides a rust-proof shrink tube terminal with an anti-loosening function, comprising: an adjustment seat 1; a centering block 101 is fixedly connected to the middle position of the top of the adjustment seat 1, the middle position of the centering block 101 is a through-design, a positioning frame 102 is respectively arranged at the front and rear sides of the top of the adjustment seat 1, the inner middle position of the centering block 101 is rotatably connected to the middle position of a bidirectional screw 103, the front and rear ends of the bidirectional screw 103 are respectively provided with threads, and the threads at the front and rear ends of the bidirectional screw 103 are symmetrically designed, and the front and rear ends of the bidirectional screw 103 are respectively located at a positioning frame 102. The internal position of the frame 102, the two ends of the bidirectional screw 103 are provided with hexagonal slots, the top front end position of the adjustment seat 1 is slidably connected with a spacing block A104, the front middle position of the spacing block A104 is provided with a threaded hole, the front end position of the bidirectional screw 103 is located in the threaded hole of the spacing block A104, the top rear end position of the adjustment seat 1 is slidably connected with a spacing block B105, the front middle position of the spacing block B105 is provided with a threaded hole, the rear end position of the bidirectional screw 103 is located in the threaded hole of the spacing block B105, and the spacing block B105 is symmetrically designed with the spacing block A104.

[0025] Among them, the top position of the spacing block A104 is fixedly connected with a cylindrical limit frame A2, the inner position of the limit frame A2 is rotatably connected with a transmission ring A201, the front end position of the transmission ring A201 is provided with a spiral groove, and the rear end position of the transmission ring A201 is designed as a bevel gear structure, the inner middle position of the limit frame A2 is plugged with a sub-terminal 4, the inner upper end position of the limit frame A2 is rotatably connected with an adjusting gear A202, the adjusting gear A202 is designed as a bevel gear structure, and the adjusting gear A202 is meshed with the rear end bevel gear structure position of the transmission ring A201 for transmission. A sliding groove is respectively provided on the left and right sides of the front end of the limit frame A2, and an L-shaped clamping claw A203 is slidably connected in each sliding groove of the limit frame A2, a threaded hole is provided on the outer side of each clamping claw A203, and an auxiliary bolt A204 is rotatably connected in the threaded hole of each clamping claw A203, an arc groove is provided at the rear end of the clamping claw A203, and the arc grooves at the rear ends of the two clamping claws A203 are meshed with the spiral grooves of the transmission ring A201 for transmission, and the inner sides of the two clamping claws A203 are in contact with the sub-terminal 4.

[0026] Among them, the top position of the spacing block B105 is fixedly connected with a limit frame B3 with a cylindrical shape, and the internal position of the limit frame B3 is rotatably connected with a transmission ring B301. A spiral groove is provided at the rear end position of the transmission ring B301, and the front end position of the transmission ring B301 is designed as a bevel gear structure. The female terminal 5 is plugged into the middle position of the interior of the limit frame B3, and the female terminal 5 is plugged into the sub-terminal 4. The internal upper end position of the limit frame B3 is rotatably connected with an adjusting gear B302, and the adjusting gear B302 is designed as a bevel gear structure. The adjusting gear B302 is meshed with the front end bevel gear structure position of the transmission ring B301 for transmission.

[0027] Among them, a sliding groove is respectively opened on the left and right sides of the rear end of the limit frame B3, and each sliding groove of the limit frame B3 is slidably connected with an L-shaped clamping claw B303, and a threaded hole is opened on the outer side of each clamping claw B303, and an auxiliary bolt B304 is rotatably connected in the threaded hole of each clamping claw B303, an arc groove is opened at the front end position of the clamping claw B303, and the arc grooves at the front ends of the two clamping claws B303 are meshed with the spiral groove position of the transmission ring B301 for transmission, and the inner sides of the two clamping claws B303 are in contact with the female terminal 5.

[0028] When using: During the process of connecting the female terminal 5 with the sub-terminal 4, the sub-terminal 4 is first inserted into the inner position of the limit frame A2, and then the female terminal 5 is inserted into the inner position of the limit frame B3, and then the female terminal 5 and the sub-terminal 4 are inserted.

[0029] After the sub-terminal 4 is placed inside the limit frame A2, the adjusting gear A202 is rotated to drive the transmission ring A201 to rotate. Through the cooperation between the spiral groove of the transmission ring A201 and the arc groove of the two clamping claws A203, the two clamping claws A203 slide inward in the sliding groove of the limit frame A2 until the inner position of the two clamping claws A203 clamps and fixes the sub-terminal 4, thereby limiting and fixing the sub-terminal 4. In addition, after the two auxiliary bolts A204 are rotated respectively, the inner positions of the two auxiliary bolts A204 are both in contact with the outer positions of the sub-terminal 4, thereby achieving a secondary limiting effect on the sub-terminal 4.

[0030] After the female terminal 5 is placed inside the limit frame B3, the adjusting gear B302 is rotated to drive the transmission ring B301 to rotate. Through the cooperation between the spiral groove of the transmission ring B301 and the arc groove of the two clamping claws B303, the two clamping claws B303 slide inward in the sliding groove of the limit frame B3 until the inner position of the two clamping claws B303 clamps and fixes the female terminal 5, thereby limiting and fixing the female terminal 5. In addition, after the two auxiliary bolts B304 are rotated respectively, the inner positions of the two auxiliary bolts B304 are in contact with the outer positions of the female terminal 5, thereby achieving a secondary limiting effect on the female terminal 5.

[0031] Embodiment 2:

[0032] Based on the first embodiment, after the mother terminal 5 and the sub-terminal 4 are docked, even when a pulling force occurs between the mother terminal 5 and the sub-terminal 4, the pulling force will be shared by the two auxiliary bolts B304 and the two auxiliary bolts A204. At the same time, the two clamping claws A203 and the two clamping claws B303 synchronously share the pulling force between the mother terminal 5 and the sub-terminal 4, thereby preventing the connection position between the mother terminal 5 and the sub-terminal 4 from being loosened due to force.

[0033] After rotating the bidirectional screw 103, the bidirectional screw 103 will drive the spacing block B105 and the spacing block A104 to move to opposite positions. When the mother terminal 5 and the sub-terminal 4 are not plugged in, the spacing block B105 and the spacing block A104 are close to each other, which facilitates the plugging of the mother terminal 5 and the sub-terminal 4. By rotating the bidirectional screw 103 in the opposite direction, the distance between the spacing block B105 and the spacing block A104 will increase, thereby assisting in disconnecting the mother terminal 5 and the sub-terminal 4.

[0034] The above are only specific implementations of the present disclosure, but the protection scope of the present disclosure is not limited thereto, and the protection scope of the present disclosure shall be based on the protection scope of the claims.

Claims

1. A rust-proof shrink tube terminal with anti-loosening function, characterized in that: include: An adjustment seat (1); a centering block (101) is fixedly connected to the middle position of the top of the adjustment seat (1); the middle position of the centering block (101) is of a through-design; a positioning frame (102) is respectively arranged at the front and rear sides of the top of the adjustment seat (1); the inner middle position of the centering block (101) is rotatably connected to the middle position of a bidirectional screw (103); the front and rear ends of the bidirectional screw (103) are respectively provided with threads, and the threads of the front and rear ends of the bidirectional screw (103) are symmetrically designed; the front and rear ends of the bidirectional screw (103) are respectively located at the inner position of a positioning frame (102); the bidirectional screw Both ends of (103) are provided with hexagonal slots, the top front end of the adjustment seat (1) is slidably connected with a spacing block A (104), the front middle of the spacing block A (104) is provided with a threaded hole, the front end of the bidirectional screw (103) is located in the threaded hole of the spacing block A (104), the top rear end of the adjustment seat (1) is slidably connected with a spacing block B (105), the front middle of the spacing block B (105) is provided with a threaded hole, the rear end of the bidirectional screw (103) is located in the threaded hole of the spacing block B (105), and the spacing block B (105) and the spacing block A (104) are symmetrically designed.

2. A rust-proof shrink tube terminal with anti-loosening function as claimed in claim 1, characterized in that: The top position of the spacing block A (104) is fixedly connected to a cylindrical limiting frame A (2), the inner position of the limiting frame A (2) is rotatably connected to a transmission ring A (201), the front end position of the transmission ring A (201) is provided with a spiral groove, and the rear end position of the transmission ring A (201) is designed as a bevel gear structure, and the inner middle position of the limiting frame A (2) is plugged with a sub-terminal (4).

3. A rust-proof shrink tube terminal with anti-loosening function as claimed in claim 2, characterized in that: The upper end of the inner portion of the limit frame A (2) is rotatably connected to an adjusting gear A (202), the adjusting gear A (202) being designed as a bevel gear structure, and the adjusting gear A (202) is meshed with the rear end bevel gear structure of the transmission ring A (201) for transmission.

4. A rust-proof shrink tube terminal with anti-loosening function as claimed in claim 3, characterized in that: A slide groove is respectively provided at the left and right sides of the front end of the limit frame A (2), and a clamping claw A (203) with an L-shaped design is slidably connected in each slide groove of the limit frame A (2), a threaded hole is provided at the outer side of each clamping claw A (203), and an auxiliary bolt A (204) is rotatably connected in the threaded hole of each clamping claw A (203), an arc groove is provided at the rear end of the clamping claw A (203), and the arc grooves at the rear ends of the two clamping claws A (203) are meshed with the spiral groove position of the transmission ring A (201) for transmission, and the inner sides of the two clamping claws A (203) are both in contact with the sub-terminal (4).

5. The rust-proof shrink tube terminal with anti-loosening function as claimed in claim 1, characterized in that: The top position of the spacing block B (105) is fixedly connected to a cylindrical limiting frame B (3), the inner position of the limiting frame B (3) is rotatably connected to a transmission ring B (301), the rear end position of the transmission ring B (301) is provided with a spiral groove, and the front end position of the transmission ring B (301) is designed as a bevel gear structure, and the inner middle position of the limiting frame B (3) is plugged with a female terminal (5), which is plugged with a sub-terminal (4).

6. A rust-proof shrink tube terminal with anti-loosening function as claimed in claim 5, characterized in that: The upper end of the inner portion of the limit frame B (3) is rotatably connected to an adjusting gear B (302), which is designed as a bevel gear structure. The adjusting gear B (302) is meshed with the front bevel gear structure of the transmission ring B (301) for transmission.

7. A rust-proof shrink tube terminal with anti-loosening function as claimed in claim 6, characterized in that: A slide groove is respectively provided at the left and right sides of the rear end of the limit frame B (3), and a clamping claw B (303) with an L-shaped design is slidably connected in each slide groove of the limit frame B (3), a threaded hole is provided at the outer side of each clamping claw B (303), and an auxiliary bolt B (304) is rotatably connected in the threaded hole of each clamping claw B (303).

8. A rust-proof shrink tube terminal with anti-loosening function as claimed in claim 7, characterized in that: The front end of the clamping claw B (303) is provided with an arc groove, and the arc grooves at the front ends of the two clamping claws B (303) are meshed with the spiral grooves of the transmission ring B (301) for transmission, and the inner sides of the two clamping claws B (303) are in contact with the female terminal (5).

Images