CN215817360U - High-air-tightness waterproof hose joint for shielded cable - Google Patents
High-air-tightness waterproof hose joint for shielded cable Download PDFInfo
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- CN215817360U CN215817360U CN202120900096.2U CN202120900096U CN215817360U CN 215817360 U CN215817360 U CN 215817360U CN 202120900096 U CN202120900096 U CN 202120900096U CN 215817360 U CN215817360 U CN 215817360U
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Abstract
The utility model discloses a high-air-tightness shielded cable waterproof hose joint which comprises a joint main body, a joint bolt, a sealing core body and a spring shielding ring, wherein one end of the joint main body is a hose connecting end, the other end of the joint main body is a joint connecting end, and the hose connecting end of the joint main body is provided with a hose sealing ring and a hose inner lock catch; one end of the joint bolt is a connecting end, the other end of the joint bolt is an installing end, the sealing core body is arranged at the joint bolt connecting end, and the joint connecting end of the joint main body is in threaded connection with the joint bolt connecting end; and a spring shielding ring is arranged at the mounting end of the joint bolt. The utility model is provided with a hose inner lock catch locking hose and a hose sealing ring with a wave-shaped inner wall, so that the sealing of the joint of the hose is ensured; a sealing core body is arranged to ensure the sealing of the cable; the joint main body is made of metal and plastic, so that the weight is reduced, and the connection strength of a threaded connection part is ensured; the shielding is realized through the spring shielding ring, and the structure is simple and reliable.
Description
Technical Field
The utility model relates to a hose connector, in particular to a high-airtightness shielded cable waterproof hose connector.
Background
The shielded cable waterproof hose joint is roughly divided into three types, namely a metal type, a plastic type and a metal-plastic mixed type, according to main materials.
The function of the waterproof hose joint of the shielded cable needs to achieve the effects of waterproof sealing and shielding, and the air tightness requirement needs to be met in some special occasions. The structure of the waterproof hose joint of the shielded cable basically comprises three parts, namely a hose joint, a sealing mechanism, a shielding mechanism and a locking mechanism. One end of the locking mechanism is connected with the equipment, and the other end of the locking mechanism is connected with the hose connector to play a role in locking.
The existing waterproof joint of the common shielded cable has the advantages that the shielding mechanism usually adopts a mode that the sealing ring compresses the metal wire to play a shielding role, the installation operation is difficult, and the installation time cost is high. The sealing mechanism usually uses the outside of a sealing bush and simultaneously has a nylon petal type core body, the opening degree of petals is changed through locking force, the bush is sealed, the waterproofness and the airtightness are not completely effective, and the electric components are easily damaged. Accordingly, the prior art is yet to be improved and developed.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is to provide a high-air-tightness shielded cable waterproof hose joint, which meets the requirements of waterproof performance, sealing performance and shielding performance of the shielded cable waterproof hose joint.
The utility model provides a high-air-tightness waterproof hose joint for shielded cables, which comprises a joint main body, a joint bolt, a sealing core body and a spring shielding ring, wherein one end of the joint main body is a hose connecting end, the other end of the joint main body is a joint connecting end, a first step is formed in an inner hole of the hose connecting end of the joint main body, a hose sealing ring is arranged on the first step, and a hose inner lock catch is arranged on the hose connecting end pipe wall of the joint main body; the hose inner lock catch is positioned above the hose sealing ring; one end of the joint bolt is a connecting end, the other end of the joint bolt is an installing end, a second step is formed in an inner hole of the connecting end of the joint bolt, the sealing core body is arranged on the second step, and the joint connecting end of the joint main body compresses the sealing core body in the connecting end of the joint bolt and is in threaded connection with the joint bolt; the mounting end of the joint bolt is provided with a spring shielding ring, and the joint bolt and the spring shielding ring are made of metal.
Furthermore, the inner wall of the hose sealing ring is in an irregular wave shape, so that the inner diameter of the hose sealing ring is gradually reduced from top to bottom; the hose sealing ring is characterized in that a plurality of annular sealing bulges are arranged on the outer wall of the hose sealing ring, so that a gap between the outer wall of the hose sealing ring and the inner wall of the joint main body is gradually increased, an inward sealing extension surface is arranged on the lower end face of the hose sealing ring, and the sealing extension surface is tightly attached to the first step.
Furthermore, the joint connecting end of the joint main body is embedded in the hose connecting end, the hose connecting end of the joint main body is made of plastic, and the joint connecting end of the joint main body is made of metal.
Furthermore, the pipe wall of the connecting end of the main hose of the connector is provided with a lock catch hole, and the inner lock catch of the hose is arranged in the lock catch hole.
Further, when the sealing core body is arranged on the second step, the top of the sealing core body is higher than the joint bolt; the inner top surface of the joint connecting end of the joint main body is an inclined surface, and the sealing core body is inwards compressed by the inner top surface of the joint connecting end of the joint main body in the process of rotationally fixing the joint connecting end of the joint main body and the joint bolt.
Further, joint bolt installation end inboard is provided with the fixed slot, the spring shield ring sets up in the fixed slot, the spring shield ring includes shielding spring and fixed shielding spring's spring holder, the spring holder is ring shape, the both ends of spring holder are equipped with the fixed knot of spring, the shielding spring card is established in the fixed knot of spring.
Furthermore, the shielding spring is composed of a plurality of spring pieces, the spring pieces are isosceles triangles and are arranged at equal intervals along the inner periphery of the spring seat, the bottom edge of each spring piece is tightly attached to the inner periphery of the spring seat and is clamped in the spring fixing buckle through the bottom foot of each spring piece, and the vertex angle of each spring piece is an arc angle.
Further, the outer wall of the joint bolt connecting end is provided with an external thread, and the inner wall of the joint connecting end of the joint main body is provided with an internal thread matched with the external thread.
Further, the outer wall of the joint bolt mounting end is provided with mounting threads, a sealing groove is formed above the mounting threads, and a mounting sealing ring is arranged in the sealing groove.
Furthermore, the hose sealing ring and the sealing core body are made of silicon rubber.
Compared with the prior art, the utility model has the following beneficial effects: according to the high-airtightness shielded cable waterproof hose connector provided by the utility model, the hose is locked by the lock catch in the hose, and the hose sealing ring with the wavy inner wall is arranged, so that the sealing effect of the joint of the hose is ensured; the sealing core body is arranged to ensure the sealing effect at the cable; the joint main body is made of metal and plastic, so that the weight is reduced, the cost is reduced, and the connection strength of a threaded connection part is ensured; the shielding is realized through the triangular spring in the spring shielding ring, the shielding structure is simple and reliable, and the whole shielding structure is relatively stable and has good continuity through the elasticity of the triangular spring; the triangular spring is circumferentially wrapped on the cable shielding layer, so that the contact is uniform, and the shielding capability is excellent; the sealing ring at the mounting end ensures the sealing effect between the joint and the mounting surface, and the protection effect is good.
Drawings
Fig. 1 is a sectional view of a waterproof hose joint for a shielded cable with high airtightness according to an embodiment of the present invention.
In the figure:
1. locking the hose; 2. a hose seal ring; 3. a connector body; 4. a seal core body; 5. a joint bolt; 6. a spring shield ring; 7. installing a sealing ring; 31. a hose connection end; 32. and a joint connecting end.
Detailed Description
The utility model is further described below with reference to the figures and examples.
Fig. 1 is a sectional view of a waterproof hose joint for a shielded cable with high airtightness according to an embodiment of the present invention.
Referring to fig. 1, the high-airtightness shielded cable waterproof hose connector according to the embodiment of the present invention includes a connector main body 3, a connector bolt 5, a sealing core 4 and a spring shielding ring 6, where one end of the connector main body 3 is a hose connection end 31, and the other end of the connector main body is a connector connection end 32, a first step is formed in an inner hole of the hose connection end 31 of the connector main body 3, a hose sealing ring 2 is disposed on the first step, and a hose inner lock catch 1 is disposed on a tube wall of the hose connection end 31 of the connector main body 3; the hose inner lock catch 1 is positioned above the hose sealing ring 2; one end of the joint bolt 5 is a connecting end, the other end of the joint bolt is a mounting end, a second step is formed in an inner hole of the connecting end of the joint bolt 5, the sealing core body 4 is arranged on the second step, and the joint connecting end 32 of the joint main body 3 tightly presses the sealing core body 4 in the connecting end of the joint bolt 5 and is in threaded connection with the joint bolt 5; the mounting end of the joint bolt 5 is provided with a spring shielding ring 6, and the joint bolt 5 and the spring shielding ring 6 are made of metal.
Specifically, the inner wall of the hose sealing ring 2 is in an irregular wave shape, so that the inner diameter of the hose sealing ring 2 is gradually reduced from top to bottom; the outer wall of the hose sealing ring 2 is provided with a plurality of annular sealing bulges, so that a gap between the outer wall of the hose sealing ring 2 and the inner wall of the joint main body 3 is gradually increased, the lower end face of the hose sealing ring 2 is provided with an inward sealing extension face, and the sealing extension face is tightly attached to the first step. The sealing effect of the hose connection is ensured.
Preferably, the joint connecting end 32 of the joint main body 3 is embedded in the hose connecting end 31, the hose connecting end 31 of the joint main body 3 is made of plastic, and the joint connecting end 32 of the joint main body 3 is made of metal. The outer wall of the connecting end of the joint bolt 5 is provided with an external thread, and the inner wall of the connecting end 32 of the joint main body 3 is provided with an internal thread matched with the external thread. The weight is reduced, the cost is reduced, and meanwhile the strength of threaded connection is guaranteed.
Specifically, the pipe wall of the hose connecting end 31 of the joint body 3 is provided with a locking hole, and the hose inner lock is arranged in the locking hole.
Specifically, when the seal core body 4 is arranged on the second step, the top of the seal core body 4 is higher than the joint bolt 5; the inner top surface of the joint connecting end 32 of the joint main body 3 is an inclined surface, and in the process that the joint connecting end 32 of the joint main body 3 and the joint bolt 5 are rotationally fixed, the inner top surface of the joint connecting end 32 of the joint main body 3 presses the sealing core body 4 inwards. The sealing effect at the cable position is ensured.
Specifically, 5 erection ends inboards of joint bolt are provided with the fixed slot, spring shield ring 6 sets up in the fixed slot, spring shield ring 6 includes shielding spring and fixed shielding spring's spring holder, the spring holder is ring shape, the both ends of spring holder are equipped with the fixed knot of spring, the shielding spring card is established in the fixed knot of spring. The shielding spring is composed of a plurality of spring pieces, each spring piece is in an isosceles triangle shape, the spring pieces are arranged at equal intervals along the inner periphery of the spring seat, the bottom edge of each spring piece is tightly attached to the inner periphery of the spring seat and is clamped in the spring fixing buckle through the bottom foot of each spring piece, and the vertex angle of each spring piece is an arc angle.
Preferably, the outer wall of the mounting end of the joint bolt 5 is provided with mounting threads, a sealing groove is arranged above the mounting threads, and a mounting sealing ring 7 is arranged in the sealing groove.
Preferably, the hose gasket 2 and the sealing core 4 are made of silicon rubber.
When the high-airtightness shielded cable waterproof hose joint is used specifically, the mounting end of the joint bolt 5 penetrates into the mounting hole and is locked by the flat nut, so that the mounting sealing ring 7 is in contact with the mounting surface, and the mounting surface is sealed; the cable sequentially penetrates through the hose sealing ring 2, the connector main body 3, the sealing core body 4 and the spring shielding ring 6, so that the cable shielding layer is in close contact with the spring shielding ring 6, the spring shielding ring 6 is in close contact with the connector bolt 5, and conduction shielding is realized. The cable sheath is tightly contacted with the sealing core body 4, the joint connecting end of the joint main body 3 is locked with the joint bolt 5 and is coated with thread sealant to realize sealing and fixing; inserting the hose into the hose connecting end 31 of the joint main body 3 to enable the end surface of the hose to be tightly attached to the sealing extension surface of the hose sealing ring 2, and completing connection and installation; when the hose is inserted into the connector slightly forcibly, the gap between the inner lock catch 1 of the hose and the connector main body 3 is obviously reduced, and when the inner lock catch 1 of the hose is pulled open in the opposite direction, the gap is obviously increased, which indicates that the hose is not locked by the inner lock catch 1 of the hose, and when the hose is rotated in the connector main body 3, the hose has no resistance and is very easy, and at this time, the waterproof performance requirement cannot be met. The hose is pushed into the connector main body 3 with force, the inner lock catch 1 of the hose is obviously popped out, and when the hose is slightly moved towards the connector with force, the gap between the inner lock catch 1 of the hose and the connector main body 3 is basically unchanged; when the hose is rotated in the joint main body 3, obvious resistance is high, which indicates that the hose is locked by the inner lock catch 1 of the hose, the fastening of the hose is completed, and the specified protection level can be reached.
In conclusion, the high-airtightness shielded cable waterproof hose joint provided by the embodiment of the utility model is provided with the hose inner lock 1 for locking the hose and the hose sealing ring 2 with the wavy inner wall, so that the sealing effect of the joint of the hose is ensured; the sealing core body 4 is arranged to ensure the sealing effect at the cable position; the joint main body 3 is made of two materials, namely metal and plastic, so that the weight is reduced, the cost is reduced, and the connection strength of a threaded connection part is ensured; the shielding is realized through the triangular spring in the spring shielding ring 6, the shielding structure is simple and reliable, and the whole shielding structure is relatively stable and has good continuity through the elasticity of the triangular spring; the triangular spring is circumferentially wrapped on the cable shielding layer, so that the contact is uniform, and the shielding capability is excellent; the sealing ring 7 at the mounting end ensures the sealing effect between the joint and the mounting surface, and the protection effect is good.
Although the present invention has been described with respect to the preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (10)
1. A high-air-tightness waterproof hose joint for shielded cables is characterized by comprising a joint main body, a joint bolt, a sealing core body and a spring shielding ring, wherein one end of the joint main body is a hose connecting end, the other end of the joint main body is a joint connecting end, a first step is formed in an inner hole of the hose connecting end of the joint main body, a hose sealing ring is arranged on the first step, and a hose inner lock catch is arranged on the pipe wall of the hose connecting end of the joint main body; the hose inner lock catch is positioned above the hose sealing ring; one end of the joint bolt is a connecting end, the other end of the joint bolt is an installing end, a second step is formed in an inner hole of the connecting end of the joint bolt, the sealing core body is arranged on the second step, and the joint connecting end of the joint main body compresses the sealing core body in the connecting end of the joint bolt and is in threaded connection with the joint bolt; the mounting end of the joint bolt is provided with a spring shielding ring, and the joint bolt and the spring shielding ring are made of metal.
2. The highly airtight shielded cable waterproof hose connector as claimed in claim 1, wherein the inner wall of the hose seal ring is corrugated with different heights of wave peaks so that the inner diameter of the hose seal ring is gradually reduced from top to bottom; the hose sealing ring is characterized in that a plurality of annular sealing bulges are arranged on the outer wall of the hose sealing ring, so that a gap between the outer wall of the hose sealing ring and the inner wall of the joint main body is gradually increased, an inward sealing extension surface is arranged on the lower end face of the hose sealing ring, and the sealing extension surface is tightly attached to the first step.
3. The highly airtight shielded cable waterproof hose connector as claimed in claim 1, wherein the connector connection end of the connector body is embedded in the hose connection end, the hose connection end of the connector body is made of plastic, and the connector connection end of the connector body is made of metal.
4. The highly airtight shielded cable waterproof hose connector as claimed in claim 1, wherein the connector main body hose connection end wall is provided with a locking hole, and the hose inner lock is disposed in the locking hole.
5. The highly airtight shielded cable waterproof hose joint as claimed in claim 1, wherein the top of the sealing core is higher than the joint bolt when the sealing core is disposed on the second step; the inner top surface of the joint connecting end of the joint main body is an inclined surface, and the sealing core body is inwards compressed by the inner top surface of the joint connecting end of the joint main body in the process of rotationally fixing the joint connecting end of the joint main body and the joint bolt.
6. The highly airtight shielded cable waterproof hose joint as claimed in claim 1, wherein the joint bolt mounting end is provided with a fixing groove inside, the spring shielding ring is disposed in the fixing groove, the spring shielding ring comprises a shielding spring and a spring seat for fixing the shielding spring, the spring seat is annular, the spring seat is provided with spring fixing buckles at two ends, and the shielding spring is clamped in the spring fixing buckles.
7. The highly airtight shielded cable waterproof hose connector as claimed in claim 6, wherein the shielding spring is composed of a plurality of spring leaves, the spring leaves are in the shape of an isosceles triangle, the spring leaves are arranged along the inner circumference of the spring seat at equal intervals, the bottom edge of the spring leaf is closely attached to the inner circumference of the spring seat and is clamped in the spring fixing buckle through the bottom foot of the spring leaf, and the vertex angle of the spring leaf is an arc angle.
8. The highly airtight shielded cable waterproof hose joint as claimed in claim 1, wherein the joint bolt-connecting end outer wall is provided with an external thread, and the joint connecting end inner wall of the joint main body is provided with an internal thread matching the external thread.
9. The highly airtight shielded cable waterproof hose joint as claimed in claim 1, wherein the joint bolt mounting end has a mounting thread on its outer wall, and a sealing groove is provided above the mounting thread, and a mounting sealing ring is provided in the sealing groove.
10. The highly airtight shielded cable waterproof hose joint as claimed in claim 1, wherein the hose gasket and the sealing core are made of silicone rubber.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120900096.2U CN215817360U (en) | 2021-04-28 | 2021-04-28 | High-air-tightness waterproof hose joint for shielded cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120900096.2U CN215817360U (en) | 2021-04-28 | 2021-04-28 | High-air-tightness waterproof hose joint for shielded cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215817360U true CN215817360U (en) | 2022-02-11 |
Family
ID=80171965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120900096.2U Active CN215817360U (en) | 2021-04-28 | 2021-04-28 | High-air-tightness waterproof hose joint for shielded cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215817360U (en) |
-
2021
- 2021-04-28 CN CN202120900096.2U patent/CN215817360U/en active Active
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