CN216201415U

CN216201415U - Insulating joint

Info

Publication number: CN216201415U
Application number: CN202122498769.9U
Authority: CN
Inventors: 常志龙; 魏德普; 常志虎; 白少刚
Original assignee: Tianjin Hangyu Zhuoran Technology Co ltd
Current assignee: Tianjin Hangyu Zhuoran Technology Co ltd
Priority date: 2021-10-16
Filing date: 2021-10-16
Publication date: 2022-04-05
Anticipated expiration: 2031-10-16

Abstract

The application discloses an insulating joint which comprises an external connector and an external through hole; the connector comprises an inner connector and an inner connecting through hole, wherein the outer connector comprises a slot, and the inner connector is inserted into the slot; the inner connecting piece is provided with a pressing piece, and an insulating sleeve is sleeved on the inner connecting piece to isolate the pressing piece and the inner connecting piece; the outer wall of the inner connecting piece comprises a first clamping surface, the inner wall of the insulating sleeve is provided with an inner pressing surface of the insulating sleeve matched with the first clamping surface, and the inner pressing surface of the insulating sleeve presses the first clamping surface towards the bottom surface of the slot; the outer wall of the insulating sleeve is also provided with a second clamping surface; the inner wall of the pressing piece is provided with a pressing surface matched with the second clamping surface, and the pressing surface presses the second clamping surface towards the bottom surface of the plug slot; the outer wall of the pressing piece is provided with a pressing thread, and the inner wall of the slot is provided with a slot thread; an insulating cushion block is arranged between the inner bottom surface of the slot and the inner connecting piece. The beneficial effect of this application: according to the application, a protective outer cover, a first clamping surface and a second clamping surface are added; the slot is provided with the convex structures, so that the structure is simple, the assembly and the maintenance are more convenient, and meanwhile, the tightness and the insulativity are improved.

Description

Insulating joint

Technical Field

The utility model belongs to the technical field of the technique of accessory is connected in this application, especially, relate to an insulating joint.

Background

Various door-type connectors are provided in both spacecraft and satellites to connect individual pipes or circuits. Wherein insulating joint accounts for than great, wherein insulating joint not only can provide the connection effect, also can play insulating effect, prevents to produce the electrostatic breakdown electronic component between pipeline or the circuit, but the insulating joint structure of current adoption is more complicated, and the manufacturing process degree of difficulty is high, causes the maintenance difficulty and connects the difficulty.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects of complex structure and high manufacturing process difficulty, the application provides an insulating joint.

The application provides an insulating joint adopts following technical scheme:

an insulating joint comprises an external connector and an external through hole; the connector comprises an inner connector and an inner connecting through hole, wherein the outer connector comprises a slot, and the inner connector is inserted into the slot; the inner connecting piece is provided with a pressing piece, and an insulating sleeve is sleeved on the inner connecting piece to isolate the pressing piece and the inner connecting piece; the outer wall of the inner connecting piece comprises a first clamping surface, the inner wall of the insulating sleeve is provided with an inner pressing surface of the insulating sleeve matched with the first clamping surface, and the inner pressing surface of the insulating sleeve presses the first clamping surface towards the bottom surface of the slot; the outer wall of the insulating sleeve is also provided with a second clamping surface; the inner wall of the pressing piece is provided with a pressing surface matched with the second clamping surface, and the pressing surface presses the second clamping surface towards the bottom surface of the slot; the outer wall of the pressing piece is provided with a pressing thread, and the inner wall of the slot is provided with a slot thread matched with the pressing thread; an insulating cushion block is arranged between the inner bottom surface of the slot and the inner connecting piece; the insulating cushion block is provided with a cushion block through hole, and the cushion block through hole is communicated with the internal connection through hole and the external connection through hole.

Through adopting above-mentioned technical scheme, through including the union piece with compress tightly set up insulating cover and outer connector slot and inscription between the union piece and set up insulating cushion with isolated contact of each other, produce insulating effect, compress tightly the face and push down the second card face to slot bottom surface direction when compressing tightly the piece downwards simultaneously, thereby pressure is conducted to the interior pressure face of insulating cover and then pushes down first card face to slot bottom surface direction from the second card face and makes the interior union piece pushed down the messenger under insulating prerequisite structure simpler, and be connected through the mode of screwing that compresses tightly screw thread and slot screw thread, the assembly is simpler.

Further: the upper end face of the insulating cushion block comprises a boss, and an insertion end of the inner connecting piece is provided with an inner connecting groove matched with the boss; the lower end face of the insulating cushion block comprises a cushion block inner cavity matched with the boss, and a slot bulge matched with the cushion block inner cavity is arranged at the bottom of the slot.

Through adopting above-mentioned technical scheme, the slot of slot arch and interior union piece cooperatees, can make interior union piece play the fastening when inserting the slot, avoid the two to rely on the screw thread to fix in the use simple connection structure to produce when rocking, also can play the supporting role to insulating cushion simultaneously, this structure can avoid insulating pad and insulating cover to produce to rock and cause insulating effect poor, this structure simultaneously, this structure makes holistic leakproofness also can obtain improving simultaneously.

Further: and the included angle between the boss and the upper end surface of the insulating cushion block is a right angle.

By adopting the technical scheme, the insulating cushion block is more tightly connected with the internal connecting piece, the shaking is reduced, and the insulativity and the sealability are improved.

Further: the included angle between the slot bulge and the end face of the bottom of the slot is a right angle.

Through adopting above-mentioned technical scheme, make insulating cushion and external piece be connected inseparabler, reduce and rock, make insulating nature and leakproofness obtain improving.

Further: the angles of the first clamping surface, the inner pressing surface of the insulating sleeve and the second clamping surface are the same as the angle formed by the pressing surface and the longitudinal axis of the pressing piece.

Through adopting above-mentioned technical scheme, the power that makes the compress tightly is said and is conducted and can evenly transmit and not dispersed, makes the effect that pushes down and compress tightly more obvious.

Further: the angle formed by the pressing surface and the longitudinal axis of the pressing element is 45 °.

Through adopting above-mentioned technical scheme, can produce downwards and to the two strands of power of center pin, make whole pressing member not only can compress tightly downwards when compressing tightly insulating cover and union piece, also can compress tightly to the axle center simultaneously, make insulating cover and union piece, fasten more between insulating cushion and the external connector.

Further: the distance between the lower end of the slot thread and the bottom surface of the slot is larger than the distance between the lower end of the pressing thread and the lower end of the pressing piece.

Through adopting above-mentioned technical scheme, make and compress tightly when the piece is compressing tightly in the downward rotation, prevent to compress tightly the piece and press the condition appearance that the groove has contacted but not screwed with pressing.

Further: the insulating cushion block and the insulating sleeve are made of polyimide.

By adopting the technical scheme, the polyimide can resist extremely low temperature, has better sealing and insulating properties, and can keep the stability of the performance in the aircraft material.

To sum up, the beneficial effect of this application:

according to the insulating joint, the protective outer cover, the first clamping surface and the second clamping surface are added; the slot is provided with the convex structures, so that the structure is simple, the assembly and the maintenance are more convenient, and the fastening tightness and the insulation performance of the device are improved.

Drawings

FIG. 1 is an exploded view of an insulated joint;

FIG. 2 is a perspective view of an insulated joint;

FIG. 3 is a cross-sectional view taken along A-A of FIG. 2;

fig. 4 is an exploded view of fig. 3.

In the figure: 1. an external connector; 11. a slot; 12. the slot is convex; 13. connecting the through hole externally; 14. a slot thread; 2. an inner connecting piece; 21. inscribe the recess; 22. a first clamping surface; 23. interconnecting the through holes; 3. a compression member; 31. a compression surface; 32. pressing the threads; 4. an insulating sleeve; 41. a second clamping surface; 42. an insulation sleeve inner pressing surface, 5 and an insulation cushion block; 51. an inner cavity of the cushion block; 52. a boss table; 53. and the cushion block is provided with a through hole.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the effects of the application easy to understand, the application is further described in the following with the specific embodiments.

As shown in fig. 1, fig. 2 and fig. 3, the present application relates to an insulating joint, which includes an external connector 1, wherein the external connector 1 is provided with a through external through hole 13; the inner connecting piece 2 is provided with a through inner connecting through hole 23 on the inner connecting piece 2,

as shown in fig. 4, the external connector 1 includes a slot 11, a slot thread 14 is disposed on an inner wall of the slot 11, a slot protrusion 12 is disposed at a bottom of the slot 11, and an included angle between the slot protrusion 12 and a bottom end surface of the slot 11 is a right angle; an inner connecting groove 21 is arranged at the insertion end of the inner connecting piece 2, and an insulating cushion block 5 formed by polyimide is arranged between the inner bottom surface of the slot 11 and the inner connecting piece 2.

The upper end surface of the insulating cushion block 5 comprises a boss 52, and an included angle between the boss 52 and the upper end surface of the insulating cushion block 5 is a right angle and is matched with the internally-connected groove 21; the boss 52 is inserted into the inscribed groove 21, the lower end face of the insulating spacer 5 includes a spacer inner cavity 51 matched with the boss 52, and the socket protrusion 12 is inserted into the spacer inner cavity 51.

As shown in fig. 3 and 4, the pad through hole 53 penetrates through the boss 52 to coaxially communicate the external through hole 13 on the external connector 1 with the internal through hole 23 on the internal connector 2, and the boss 52 can enable the connection between the insulating pad 5 and the internal connector 2 and the connection between the insulating pad 5 and the external connector 1 to be tighter, so that the insulating pad 5 can be supported to reduce the shaking, and the insulating property and the sealing property can be improved.

Still as shown in fig. 4, the outer wall of the inner connecting piece 2 includes the first clamping surface 22, the inner connecting piece 2 is further provided with the pressing piece 3, the inner wall of the pressing piece 3 is provided with the pressing surface 31, the angle formed by the pressing surface 31 and the longitudinal axis of the pressing piece 3 is 45 degrees, and the angle can enable the pressing piece 3 to generate downward force and two uniform forces towards the central axis when being pressed down, so that the connection between the insulating cushion block 5 and the outer connecting piece 1 is more tight. The first clamping surface 22 and the pressing surface 31 form the same angle with the longitudinal axis of the pressing piece 3, the outer wall of the pressing piece 3 is provided with a pressing thread 32, and the pressing thread 32 is matched with the slot thread 14 on the inner wall of the slot 11.

The distance between the lower end of the slot thread 14 and the bottom surface of the slot 11 is larger than the distance between the lower end of the pressing thread 32 and the lower end of the pressing piece 3, wherein the distance difference between the two is 0.2-0.4 mm.

The inner connecting piece 2 is further sleeved with an insulation sleeve 4 formed by polyimide to isolate the pressing piece 3 and the inner connecting piece 2, the inner wall of the insulation sleeve 4 is provided with an insulation sleeve inner pressing surface 42 matched with the first clamping surface 22, the angle formed by the insulation sleeve inner pressing surface 42, the pressing surface 31 and the longitudinal axis of the pressing piece 3 is 45 degrees, and the insulation sleeve inner pressing surface 42 presses the first clamping surface 22 towards the bottom surface of the slot 11; the outer wall of the insulating sleeve 4 is further provided with a second clamping surface 41 matched with the pressing surface 31 of the pressing piece 3, the pressing surface 31 presses the second clamping surface 41 towards the bottom surface of the slot 11, and an angle formed by the second clamping surface 41, the pressing surface 31 and the longitudinal axis of the pressing piece 3 is 45 degrees, so that the insulating sleeve 4 is connected with the internal connecting piece 2 more firmly.

The working principle and the process are as follows: firstly, the insulating sleeve 4 is sleeved on the inner connecting piece 2, the pressing piece 3 is sleeved on the insulating sleeve 4, then the cushion block inner cavity 51 of the insulating cushion block 5 is inserted into the slot bulge 12 of the outer connecting piece 1 comprising the slot 11, then the inner connecting groove 21 of the insertion end of the inner connecting piece 2 is inserted into the bulge table 52 of the insulating cushion block 5, then the pressing piece 3 is screwed, and through the screwing pressing piece 3, the pressing piece 3 presses the second clamping surface 41 on the outer wall of the insulating sleeve 4 through the pressing surface 31, so that the insulating sleeve 4 is pressed downwards and towards the central shaft. And the insulation cover 4 presses the insulation cushion block 5 downwards and towards the central axis through the inner pressing surface 42 of the insulation cover and the first clamping surface 22 of the inner connecting piece 2, the insulation cushion block 5 is pressed between the slot 11 of the outer connecting piece 1 and the inner connecting piece 2, the inner connecting piece 2 is inserted into the outer connecting piece 1, meanwhile, the insertion and screwing pressing piece 3 is matched with the slot thread 14 on the inner wall of the slot 11 through the pressing thread 32, so that the structure is simplified, the assembly and the maintenance are more convenient, and meanwhile, the fastening tightness and the insulation performance of the device are improved through the arrangement that the pressing piece 3 presses the insulation cover 4 and the insulation cushion block 5.

While there have been shown and described what are at present considered the fundamental principles and essential features of the application and its advantages, it will be apparent to those skilled in the art that the application is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics of the application. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. An insulation joint comprises an external connector (1) and an external through hole (13); internal member (2) and inscription through-hole (23), its characterized in that: the external connector (1) comprises a slot (11), and the internal connector (2) is inserted into the slot (11); a pressing piece (3) is arranged on the inner connecting piece (2), and an insulating sleeve (4) is sleeved on the inner connecting piece (2) to isolate the pressing piece (3) from the inner connecting piece (2); the outer wall of the inner connecting piece (2) comprises a first clamping surface (22), the inner wall of the insulating sleeve (4) is provided with an insulating sleeve inner pressing surface (42) matched with the first clamping surface (22), and the insulating sleeve inner pressing surface (42) presses the first clamping surface (22) towards the bottom surface direction of the slot (11); the outer wall of the insulating sleeve (4) is also provided with a second clamping surface (41); a pressing surface (31) matched with the second clamping surface (41) is arranged on the inner wall of the pressing piece (3), and the pressing surface (31) presses the second clamping surface (41) towards the bottom surface direction of the slot (11); the outer wall of the pressing piece (3) is provided with a pressing thread (32), and the inner wall of the slot (11) is provided with a slot thread (14) matched with the pressing thread (32); an insulating cushion block (5) is arranged between the inner bottom surface of the slot (11) and the inner connecting piece (2); the insulating cushion block (5) is provided with a cushion block through hole (53), and the cushion block through hole (53) is communicated with the internal connection through hole (23) and the external connection through hole (13).

2. An insulated joint according to claim 1, wherein: the upper end face of the insulating cushion block (5) comprises a boss (52), and an inner connecting groove (21) matched with the boss (52) is formed in the insertion end of the inner connecting piece (2); the lower end face of the insulating cushion block (5) comprises a cushion block inner cavity (51) matched with the boss (52), and a slot bulge (12) matched with the cushion block inner cavity (51) is arranged at the bottom of the slot (11).

3. An insulated joint according to claim 2, wherein: and the included angle between the boss (52) and the upper end surface of the insulating cushion block (5) is a right angle.

4. An insulated joint according to claim 2, wherein: the included angle between the slot bulge (12) and the end face of the bottom of the slot (11) is a right angle.

5. An insulated joint according to claim 2, wherein: the angles of the first clamping surface (22), the inner pressing surface (42) of the insulating sleeve and the second clamping surface (41) are the same as the angle formed by the pressing surface (31) and the longitudinal axis of the pressing piece (3).

6. An insulated joint according to claim 5, wherein: the angle formed by the pressing surface (31) and the longitudinal axis of the pressing piece (3) is 45 degrees.

7. An insulated joint according to claim 1, wherein: the distance between the lower end of the slot thread (14) and the bottom surface of the slot (11) is greater than the distance between the lower end of the pressing thread (32) and the lower end of the pressing piece (3).

8. An insulated joint according to claim 1, wherein: the insulating cushion block (5) and the insulating sleeve (4) are made of polyimide.