CN222108336U - A dustproof, waterproof and explosion-proof electrical box introduction device - Google Patents
A dustproof, waterproof and explosion-proof electrical box introduction device Download PDFInfo
- Publication number
- CN222108336U CN222108336U CN202420715448.0U CN202420715448U CN222108336U CN 222108336 U CN222108336 U CN 222108336U CN 202420715448 U CN202420715448 U CN 202420715448U CN 222108336 U CN222108336 U CN 222108336U
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- Prior art keywords
- compression
- compression nut
- nut
- sealing ring
- gasket
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- 230000006835 compression Effects 0.000 claims abstract description 84
- 238000007906 compression Methods 0.000 claims abstract description 84
- 238000007789 sealing Methods 0.000 claims abstract description 58
- 125000006850 spacer group Chemical group 0.000 claims abstract description 35
- 238000003825 pressing Methods 0.000 claims description 5
- 239000004743 Polypropylene Substances 0.000 claims description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- -1 polypropylene Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 5
- 210000000078 claw Anatomy 0.000 abstract description 4
- 238000009434 installation Methods 0.000 description 4
- 230000002265 prevention Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920002379 silicone rubber Polymers 0.000 description 1
- 239000004945 silicone rubber Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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- Connector Housings Or Holding Contact Members (AREA)
Abstract
The utility model provides a dustproof and waterproof explosion-proof electrical appliance box body introducing device which comprises a compression nut, a connector body, a compression gasket, a sealing ring and a spacer bush, wherein the left side and the right side of the sealing ring are respectively propped against the connector body and the compression gasket, the spacer bush is arranged on the outer side of the sealing ring, a gap is arranged between the outer wall of the spacer bush and the inner wall of the compression nut, no friction force exists between the two parts, the compression gasket is provided with a second step propped against the first step of the compression nut, the contact area between the compression gasket and the compression nut is smaller, the friction force is also smaller, when the compression nut is screwed, the connector body, the compression gasket, the sealing ring and the spacer bush are fixed, the compression nut is stressed less, the compression nut can be easily screwed, the cable can be clamped tightly, the sealing effect is good, the cable can not rotate along with the compression nut, and compared with the mode of adopting clamping claws to fix the cable in the prior art, the whole length of the introducing device can be arranged shorter, and the production cost is reduced.
Description
Technical Field
The utility model relates to the technical field of electrical equipment boxes, in particular to a dustproof, waterproof and explosion-proof electrical equipment box body introducing device.
Background
The existing electrical box comprises a box body, a control electrical appliance, a wire inlet cable, a wire outlet cable and the like, wherein the wire inlet cable is fixed on the box body through a lead-in device, and one end of the wire inlet cable is used for being connected with the control electrical appliance. As shown in fig. 3 and 4, the introducing device comprises a connector body 01, a compression nut 02, a locking nut 03, a sealing ring 04 and a clamping jaw 05, wherein the connector body 01 and the compression nut 02 are respectively provided with a through hole for the wiring cable 07 to pass through, the inner wall of the compression nut 02 is provided with internal threads, the connector body 01 is provided with an external thread section 06 which is arranged on the outer wall of the connector body and is matched with the internal threads of the compression nut 02, the sealing ring 04 is arranged in the compression nut 02 and can abut against the end part of the external thread section 06, and the clamping jaw 05 is arranged between the sealing ring 04 and the inner wall of the compression nut 02. The side plate of the box body is provided with a through hole for the cable to pass through, when the box body is assembled, one end of the connector body 01 extends out of the through hole of the side plate into the box body and is fixed through the lock nut 03, then the cable 07 passes through the through holes of the connector body 01 and the lock nut 02, the lock nut 02 is screwed, and in the screwing process shown in fig. 4, the clamping claw 05 can elastically deform, so that the sealing ring 04 and the cable 07 are clamped. When the compression nut 02 is screwed, the elastic acting force of the clamping jaw 05 needs to be overcome, so that the force is laborious, and the length of the nut is longer due to the fact that the length of the plastic clamping jaw 05 is longer, so that the production cost is increased.
Disclosure of utility model
Therefore, the technical problem to be solved by the utility model is to overcome the defects of laborious tightening of the compression nut and high production cost in the prior art, so as to provide the dustproof and waterproof and explosion-proof electrical appliance box body introducing device which has the advantages of uniform contact force of the left and right extrusion sealing rings, large clamping range, large contact area, good sealing effect, normal power on of the cable, labor saving of tightening of the compression nut and low production cost.
The utility model provides a dustproof and waterproof explosion-proof electrical appliance box body introducing device which comprises a compression nut, a connector body, a compression gasket, a sealing ring and a spacer bush, wherein the compression nut is provided with a through hole for a cable to pass through, an inner thread is arranged on the inner wall of the through hole, a first step is arranged at the opening of one end of the through hole far away from the connector body, the connector body is provided with a first thread section, the first thread section is provided with an outer thread which is in fit connection with the inner thread of the compression nut, the compression gasket is arranged in the compression nut and is provided with a second step which is propped against the first step, the sealing ring is arranged between the connector body and the compression gasket and sleeved on the cable, the spacer bush is compressed and sleeved on the sealing ring, and a gap is arranged between the outer wall of the spacer bush and the inner wall of the compression nut.
An annular groove suitable for accommodating the spacer bush is formed on the inner wall of the compression nut.
The friction coefficient of the spacer bush is smaller than that of the sealing ring.
The spacer bush is made of polypropylene.
The material of the pressing gasket is aluminum.
The connector body is provided with a third step which is arranged on the outer wall of the connector body and can be propped against the inner wall of the box body, and a second thread section which is arranged on the third step and is far away from the first thread section, and a sealing nut is arranged on the second thread section.
And a sealing gasket is arranged between the sealing nut and the third step.
The technical scheme of the utility model has the following advantages:
1. The utility model provides a dustproof and waterproof explosion-proof electrical appliance box body introducing device, which comprises a compression nut, a connector body, a compression gasket, a sealing ring and a spacer bush, wherein the left side and the right side of the sealing ring are respectively propped against the connector body and the compression gasket, the spacer bush is arranged on the outer side of the sealing ring, a gap is arranged between the outer wall of the spacer bush and the inner wall of the compression nut, the compression gasket is provided with a second step propped against the first step of the compression nut, the contact area between the compression gasket and the compression nut is smaller, the friction force is also smaller, when the compression nut is screwed, the connector body, the compression gasket, the sealing ring and the spacer bush are basically fixed, the compression nut is less in resistance, the compression nut can be screwed easily, the installation is more labor-saving, the sealing ring can clamp a cable, the sealing effect is good, the cable can not rotate along with the compression nut, and the cable can normally supply power, compared with the prior art adopting a mode of clamping claw to fix the cable, the whole length of the introducing device can be set shorter, the installation is convenient, and the production cost is reduced.
2. The connector body is provided with the third step which is arranged on the outer wall of the connector body and can be propped against the inner wall of the box body, and the second thread section which is arranged on the third step and is far away from the first thread section, the second thread section is provided with the sealing nut, the sealing gasket is arranged between the sealing nut and the third step, the sealing gasket and the sealing ring can realize that both the incoming line and the outgoing line of the box body of the electric appliance can be sealed, and the effects of dust prevention, water prevention, explosion prevention and the like are good.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic view of the structure of an electric appliance box introducing apparatus (in a state where a compression nut is not tightened) of the present utility model;
fig. 2 is a schematic view of the structure of the electric box body introducing device (the compression nut is in a screwed state);
fig. 3 is a schematic structural view of an apparatus for introducing an electrical box (in a state where a compression nut is not tightened) according to the prior art;
Fig. 4 is a schematic structural view of an apparatus for introducing an electrical box (in a state where a compression nut is not tightened) according to the prior art.
The reference numerals indicate 01, a connector body, 02, a compression nut, 03, a lock nut, 04, a sealing ring, 05, a clamping jaw, 06, an external thread section, 07 and a cable;
1. The cable connector comprises a compression nut, a cable, a3, a perforation, a4, a connector body, a 5, a first step, a 6, a first thread section, a 7, a compression gasket, a 8, a second step, a 9, a sealing ring, a 10, a spacer bush, a 11, an annular groove, a 12, a second thread section, a 13, a third step, a 14, a sealing nut, a 15 and a sealing gasket.
Detailed Description
The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present utility model, unless explicitly stated or limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, indirectly connected via an intervening medium, or in communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
Examples
The embodiment provides a dustproof, waterproof and explosion-proof electric appliance box body introducing device, which comprises a compression nut 1, a connector body 4, a compression gasket 7, a sealing ring 9, a spacer bush 10, a sealing nut 14 and a sealing gasket 15 as shown in fig. 1 and 2.
The compression nut 1, as shown in fig. 1, is provided with a through hole 3 for the cable 2 to pass through, an internal thread is arranged on the inner wall of the through hole 3, a first step 5 is arranged at the opening of one end of the through hole 3 far away from the joint body 4, and an annular groove 11 suitable for accommodating the spacer 10 is arranged between the first step 5 and the internal thread section of the compression nut 1.
The joint body 4, as shown in fig. 1 and 2, has a third step 13 disposed in the middle of the outer wall, and a first thread section 6 and a second thread section 12 disposed separately on two sides of the third step 13, wherein the third step 13 can be abutted against the inner wall of the box, the first thread section 6 is provided with an external thread adapted to be connected with the internal thread of the compression nut 1, the second thread section 12 is provided with a sealing nut 14, and a sealing gasket 15 is disposed between the sealing nut 14 and the third step 13.
The pressing washer 7 is disposed in the pressing nut 1 and has a second step 8 that abuts against the first step 5, and in this embodiment, the pressing washer 7 is made of aluminum.
The sealing ring 9 is arranged between the connector body 4 and the compression gasket 7 and sleeved on the cable 2, a groove is formed in the middle of the sealing ring 9, as shown in fig. 1, the compression nut 1 is pressed in towards the connector body 4, all parts of the sealing ring 9 can enter the spacer bush 10, then the compression nut 1 is screwed, and the groove in the middle of the sealing ring 9 is compressed as shown in fig. 2. The seal ring 9 and the seal gasket 15 are both made of silicone rubber.
The spacer bush 10 is tightly pressed and sleeved on the sealing ring 9, a gap is formed between the outer wall of the spacer bush 10 and the inner wall of the compression nut 1, so that the compression nut 1 and the spacer bush 10 are free of friction in the screwing process, the friction coefficient of the spacer bush 10 is smaller than that of the sealing ring 9, even if friction exists between the spacer bush 10 and the inner wall of the compression nut 1, the friction force is smaller than that of the sealing ring 9 and the compression nut 1, in the embodiment, the spacer bush 10 is made of polypropylene, and the spacer bush 10 can be folded and then placed into the annular groove 11 of the compression nut 1 when assembled, and the spacer bush 10 can recover deformation after being placed into the annular groove 11.
The dustproof and waterproof explosion-proof electrical appliance box body introducing device comprises the compression nut 1, the connector body 4, the compression gasket 7, the sealing ring 9 and the spacer bush 10, wherein the left side and the right side of the sealing ring 9 are respectively propped against the connector body 4 and the compression gasket 7, the spacer bush 10 is arranged on the outer side of the sealing ring 9, a gap is arranged between the spacer bush 10 and the inner wall of the compression nut 1, the compression gasket 7 is provided with the second step 8 propped against the first step 5 of the compression nut 1, the contact area between the compression gasket 7 and the compression nut 1 is smaller, the friction force is also smaller, when the compression nut 1 is screwed, the connector body 4, the compression gasket 7, the sealing ring 9 and the spacer bush 10 are basically fixed, the resistance born by the compression nut 1 is smaller, the compression nut 1 can be screwed easily, the installation is labor-saving, the sealing ring can clamp a cable, the sealing effect is good, the cable can not rotate along with the compression nut 1, and the cable can normally supply power, compared with the mode of clamping a claw for fixing the cable in the prior art, the whole length of the introducing device can be set shorter, the installation is convenient, and the production cost is reduced.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.
Claims (7)
1. A dustproof and waterproof explosion-proof electrical apparatus box introduction device, characterized by comprising:
The compression nut (1) is provided with a perforation (3) for the cable (2) to pass through, the inner wall of the perforation (3) is provided with internal threads, and the opening of one end of the perforation (3) far away from the joint body (4) is provided with a first step (5);
The connector body (4) is provided with a first thread section (6), and the first thread section (6) is provided with an external thread which is in fit connection with the internal thread of the compression nut (1);
A compression gasket (7) which is arranged in the compression nut (1) and is provided with a second step (8) which is propped against the first step (5);
The sealing ring (9) is arranged between the joint body (4) and the compression gasket (7) and sleeved on the cable (2);
The spacer bush (10) is tightly pressed and sleeved on the sealing ring (9), and a gap is formed between the outer wall of the spacer bush (10) and the inner wall of the compression nut (1).
2. The device for introducing the dustproof and waterproof explosion-proof electrical equipment box according to claim 1, wherein an annular groove (11) suitable for accommodating the spacer bush (10) is formed on the inner wall of the compression nut (1).
3. The device according to claim 1 or 2, characterized in that the friction coefficient of the spacer (10) is smaller than the friction coefficient of the sealing ring (9).
4. The device for introducing the dustproof and waterproof explosion-proof electrical equipment box according to claim 1, wherein the spacer bush (10) is made of polypropylene.
5. The device for introducing the dustproof, waterproof and explosion-proof electrical equipment box according to claim 1, wherein the material of the pressing gasket (7) is aluminum.
6. The device for introducing the dustproof, waterproof and explosion-proof electrical equipment box according to claim 1, wherein the connector body (4) is provided with a third step (13) which is arranged on the outer wall of the connector body and can be propped against the inner wall of the box body, and a second thread section (12) which is arranged on the third step (13) and is far away from the first thread section (6), and a sealing nut (14) is arranged on the second thread section (12).
7. The device for introducing the dustproof, waterproof and explosion-proof electrical equipment box according to claim 6, wherein a sealing gasket (15) is arranged between the sealing nut (14) and the third step (13).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420715448.0U CN222108336U (en) | 2024-04-08 | 2024-04-08 | A dustproof, waterproof and explosion-proof electrical box introduction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202420715448.0U CN222108336U (en) | 2024-04-08 | 2024-04-08 | A dustproof, waterproof and explosion-proof electrical box introduction device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222108336U true CN222108336U (en) | 2024-12-03 |
Family
ID=93628216
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202420715448.0U Active CN222108336U (en) | 2024-04-08 | 2024-04-08 | A dustproof, waterproof and explosion-proof electrical box introduction device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222108336U (en) |
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2024
- 2024-04-08 CN CN202420715448.0U patent/CN222108336U/en active Active
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |