CN209844079U - Rotary locking device for industrial plug - Google Patents
Rotary locking device for industrial plug Download PDFInfo
- Publication number
- CN209844079U CN209844079U CN201920502788.4U CN201920502788U CN209844079U CN 209844079 U CN209844079 U CN 209844079U CN 201920502788 U CN201920502788 U CN 201920502788U CN 209844079 U CN209844079 U CN 209844079U
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- China
- Prior art keywords
- annular slot
- boss
- locking
- elastic locking
- tubular insertion
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Abstract
The utility model discloses a rotary locking device for an industrial plug, which comprises a first pipe shell and a second pipe shell; one end of the first tube shell is provided with an annular slot, the outer side wall of the annular slot is provided with a limiting boss, a locking slot and an unlocking through hole, a gap is reserved between the limiting boss and the bottom surface of the annular slot, and the unlocking through hole is arranged at the locking slot; one end of the second tube shell is provided with a tubular insertion part, the outer peripheral wall of the tubular insertion part is provided with a stopping boss and an elastic locking plate, the stopping boss comprises a first stopping boss and a second stopping boss, and the elastic locking plate comprises a fixed mounting part and an elastic locking part; the tubular insertion part is inserted into the annular slot and rotates, so that the first stopping boss is limited in a gap between the bottom surface of the annular slot and the limiting boss, the second stopping boss abuts against the side end of the limiting boss, the elastic locking part is clamped into the locking groove under the action of elasticity of the elastic locking part, the first tube shell and the second tube shell are connected in a locking mode, and the unlocking through hole is located in the position opposite to the elastic locking part.
Description
Technical Field
The utility model relates to an industry is rotation locking device for plug, concretely relates to rotation locking device for industrial plug for industrial connector.
Background
The industrial plug comprises a first tube shell and a second tube shell, wherein the first tube shell is connected with the second tube shell to form a shell with an inner cavity, a wiring component is fixed in the first tube shell, the end of the second tube shell is connected with a waterproof joint, the first tube shell is connected with the second tube shell in a threaded connection mode, and the industrial plug is easy to loosen after the first tube shell is connected with the second tube shell and poor in waterproofness.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model aims at providing a rational in infrastructure rotatory locking device for industrial plug adopts this rotatory locking device, and first tube is connected reliably with the second tube to have better waterproof nature.
Realize the utility model discloses the technical scheme of purpose is:
a rotation locking device for an industrial plug comprises a first pipe shell and a second pipe shell;
one end of the first tube shell is provided with an annular slot, the inner bottom of the annular slot is provided with a rubber ring, the outer side wall of the annular slot is provided with a limiting boss, a locking slot and an unlocking through hole, the limiting boss is arranged close to the opening of the annular slot and has a gap with the bottom surface of the annular slot, and the unlocking through hole is arranged at the locking slot and radially penetrates through the outer side wall of the annular slot;
one end of the second tube shell is provided with a tubular insertion part which is suitable for being inserted into the annular slot, the peripheral wall of the tubular insertion part is provided with a stopping boss and an elastic locking plate, the stopping boss comprises a first stopping boss and a second stopping boss, the elastic locking plate comprises a fixed mounting part and an elastic locking part, the fixed mounting part is fixedly connected with the outer wall of the tubular insertion part, and the elastic locking part has telescopic elasticity;
the tubular insertion part is inserted into the annular slot and rotates, so that the first stop boss is limited in the gap between the bottom surface of the annular slot and the limit boss, the second stop boss abuts against the side end of the limit boss, the elastic locking part is clamped into the locking groove under the action of self elasticity, the first pipe shell and the second pipe shell are connected in a locking mode, the unlocking through hole is located at the position opposite to the elastic locking part, and the rubber ring is tightly pressed on the bottom surface of the annular slot by the end face of the tubular insertion part.
In the technical scheme, the number of the limiting bosses is at least two, the limiting bosses are uniformly distributed along the circumferential direction of the annular slot, the number of the first stopping bosses is matched with the number of the limiting bosses, the first stopping bosses are uniformly distributed along the circumferential direction of the tubular insertion part, and the number of the elastic locking plates is equal to that of the locking slots and is one.
In the above technical scheme, the fixed mounting part is clamped and fixed on the side wall of the tubular insertion part.
The utility model discloses has positive effect: by adopting the structure in the utility model, when the first pipe shell and the second pipe shell are connected, the tubular insertion part is inserted into the annular slot, then the second pipe shell is rotated to enable the first stop boss to move between the limit boss and the bottom surface of the annular slot, in particular to enable the limit boss to be supported by the first stop boss from the upper part, the second stop boss is supported at the side end of the limit boss, at the moment, the elastic locking part is clamped into the locking groove to lock and connect the first pipe shell and the second pipe shell, at the moment, the first pipe shell and the second pipe shell can not rotate relatively and can not move axially relatively, and because the rubber ring is pressed on the inner bottom surface of the annular slot, the waterproof function is better when in the locking state, when the locking is released, the screwdriver bit is inserted into the elastic locking part from the unlocking through hole, thereby the elastic locking part is withdrawn from the locking groove, thereby the second pipe shell is rotated reversely, after the first stop boss is free from the limit of the limit boss, the insertion part is axially pulled out from the annular slot, so that the locking of the first tube and the second tube can be released, the locking and unlocking operations are relatively convenient, the connection is reliable, and the practicability is good.
Drawings
Fig. 1 is a perspective view of a rotation locking device for an industrial plug according to the present invention;
FIG. 2 is an exploded view of the rotational locking device for the industrial plug of FIG. 1;
fig. 3 is a schematic structural diagram of a first tube shell in the present invention;
fig. 4 is a schematic structural diagram of a second tube shell in the present invention;
fig. 5 is a front view of the first tube shell of the present invention;
FIG. 6 is a cross-sectional view taken along line A-A of FIG. 5;
fig. 7 is a schematic structural view of the middle elastic locking plate of the present invention.
The reference symbols shown in the figures are: 1-a first envelope; 11-a ring-shaped slot; 12-bottom surface of annular slot; 13-limiting boss; 14 a locking groove; 15-unlocking the perforation; 2-a second tube shell; 21-a tubular plug-in part; 22-a stop boss; 221-a first stop boss; 222-a second stop boss; 23-an elastic locking piece; 231-a fixed mounting portion; 232-elastic locking part.
Detailed Description
The specific structure of the present invention is described below with reference to the attached drawings:
a rotation locking device for an industrial plug is shown in the figure and comprises a first shell case 1 and a second shell case 2; one end of the first tube shell 1 is provided with an annular slot 11, the inner bottom of the annular slot 11 is provided with a rubber ring, the outer side wall of the annular slot 11 is provided with a limit boss 13, a locking slot 14 and an unlocking through hole 15, the limit boss 13 is arranged close to the opening of the annular slot 11, a gap is formed between the limit boss and the bottom surface 12 of the annular slot 11, and the unlocking through hole 15 is arranged at the locking slot 14 and radially penetrates through the outer side wall of the annular slot 11; one end of the second tube shell 2 is provided with a tubular insertion part 21 suitable for being inserted into the annular slot 11, the outer peripheral wall of the tubular insertion part 21 is provided with a stop boss 22 and an elastic locking piece 23, the stop boss 22 comprises a first stop boss 221 and a second stop boss 222, the elastic locking piece 23 comprises a fixed mounting part 231 and an elastic locking part 232, the fixed mounting part 231 is fixedly connected with the outer wall of the tubular insertion part 21, and the elastic locking part 232 has telescopic elasticity; the tubular insertion part 21 is inserted into the annular slot 11 and rotates, so that the first stopping boss 221 is limited in the gap between the bottom 12 of the annular slot 11 and the limiting boss 13, the second stopping boss 222 abuts against the side end of the limiting boss 13, the elastic locking part 232 is clamped into the locking groove 14 under the action of self elasticity, the first tube shell 1 and the second tube shell 2 are locked and connected, at the moment, the unlocking through hole 15 is in a position opposite to the elastic locking part 232, and the rubber ring is pressed on the bottom 12 of the annular slot 11 by the end surface of the tubular insertion part 21. By adopting the structure in the utility model, when the first pipe shell and the second pipe shell are connected, the tubular insertion part is inserted into the annular slot 11, then the second pipe shell is rotated to make the first stop boss 221 move to between the limit boss 13 and the bottom surface 12 of the annular slot 11, specifically, the limit boss 13 is stopped by the first stop boss 221 from the upper part, the second stop boss 222 is stopped at the side end of the limit boss, at the moment, the elastic locking part 232 is clamped into the locking slot 14 to lock and connect the first pipe shell and the second pipe shell, at the moment, the first pipe shell 1 and the second pipe shell 2 can not rotate relatively and can not move relatively axially, and because the rubber ring is pressed on the inner bottom surface of the annular slot, the waterproof function is better when in the locking state, when the locking is released, the screwdriver bit is inserted into the elastic locking part 232 from the unlocking through hole 15 to push the elastic locking part 232 inwards, thereby making the elastic locking part 232 withdraw from the locking slot, therefore, the second pipe shell is rotated reversely, the first stopping boss 221 is pulled out of the annular slot 11 along the axial direction after getting rid of the limitation of the limiting boss 13, and then the locking of the first pipe shell 1 and the second pipe shell 2 can be released, the locking and unlocking operations are relatively convenient, the connection is reliable, and the practicability is good.
The number of the limiting bosses 13 is at least two, the limiting bosses are circumferentially and uniformly distributed along the annular slot 11, the number of the first stopping bosses 221 is matched with the number of the limiting bosses 13, the first stopping bosses are circumferentially and uniformly distributed along the tubular insertion part 21, and the number of the elastic locking pieces 23 is equal to that of the locking slots 14 and is one.
In this embodiment, the fixing mounting portion 231 is fixed on the sidewall of the tubular insertion portion 21 in a snap-fit manner.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And such obvious changes and modifications which fall within the spirit of the invention are deemed to be covered by the present invention.
Claims (3)
1. A rotation locking device for an industrial plug comprises a first pipe shell (1) and a second pipe shell (2); the anti-theft device is characterized in that one end of the first pipe shell (1) is provided with an annular slot (11), the inner bottom of the annular slot (11) is provided with a rubber ring, the outer side wall of the annular slot (11) is provided with a limiting boss (13), a locking slot (14) and an unlocking through hole (15), the limiting boss (13) is arranged close to the opening of the annular slot (11) and has a gap with the bottom surface (12) of the annular slot (11), and the unlocking through hole (15) is arranged at the locking slot (14) and radially penetrates through the outer side wall of the annular slot (11);
one end of the second tube shell (2) is provided with a tubular insertion part (21) suitable for being inserted into the annular slot (11), the peripheral wall of the tubular insertion part (21) is provided with a stop boss (22) and an elastic locking plate (23), the stop boss (22) comprises a first stop boss (221) and a second stop boss (222), the elastic locking plate (23) comprises a fixed mounting part (231) and an elastic locking part (232), the fixed mounting part (231) is fixedly connected with the outer wall of the tubular insertion part (21), and the elastic locking part (232) has telescopic elasticity;
the tubular insertion part (21) is inserted into the annular slot (11) and rotates, so that the first stopping boss (221) is limited in the gap between the bottom surface (12) of the annular slot (11) and the limiting boss (13), the second stopping boss (222) abuts against the side end of the limiting boss (13), the elastic locking part (232) is clamped into the locking groove (14) under the action of self elasticity, the first pipe shell (1) and the second pipe shell (2) are locked and connected, at the moment, the unlocking through hole (15) is in a position opposite to the elastic locking part (232), and the rubber ring is pressed on the bottom surface (12) of the annular slot (11) by the end surface of the tubular insertion part (21).
2. The rotary locking device for industrial plugs according to claim 1, wherein the number of the limiting bosses (13) is at least two, the limiting bosses are uniformly distributed along the circumferential direction of the annular slot (11), the number of the first stopping bosses (221) is adapted to the number of the limiting bosses (13), the limiting bosses are uniformly distributed along the circumferential direction of the tubular insertion part (21), and the number of the elastic locking pieces (23) is equal to that of the locking grooves (14), and the number of the elastic locking pieces is one.
3. The rotary locking device for industrial plugs according to claim 1, wherein the fixing mounting portion (231) is snap-fitted to a side wall of the tubular insertion portion (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920502788.4U CN209844079U (en) | 2019-04-15 | 2019-04-15 | Rotary locking device for industrial plug |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920502788.4U CN209844079U (en) | 2019-04-15 | 2019-04-15 | Rotary locking device for industrial plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209844079U true CN209844079U (en) | 2019-12-24 |
Family
ID=68911375
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920502788.4U Active CN209844079U (en) | 2019-04-15 | 2019-04-15 | Rotary locking device for industrial plug |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209844079U (en) |
-
2019
- 2019-04-15 CN CN201920502788.4U patent/CN209844079U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |