CN211320029U - Safety locking clamp for plastic shell type circuit breaker - Google Patents
Safety locking clamp for plastic shell type circuit breaker Download PDFInfo
- Publication number
- CN211320029U CN211320029U CN201921965825.1U CN201921965825U CN211320029U CN 211320029 U CN211320029 U CN 211320029U CN 201921965825 U CN201921965825 U CN 201921965825U CN 211320029 U CN211320029 U CN 211320029U
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- circuit breaker
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Abstract
The utility model relates to a mould shell type circuit breaker shutting fixture, its characterized in that: the special-shaped locking piece is used for locking the handle of the plastic shell type circuit breaker by matching the special-shaped screw and the special-shaped nut with the padlock so as to prevent the special-shaped screw and the special-shaped nut from being separated and combined; the special-shaped nut is integrated with a sawtooth iron clamping piece and is used for being matched with a special-shaped screw to fix a locking plastic shell type circuit breaker handle; the novel plastic shell type circuit breaker shutting fixture of disclosing of this experiment has compensatied the difficult problem that can't the shutting plastic shell type circuit breaker among the maintenance work, and the security in the work of improvement can effectively prevent the incident that the maloperation brought, is worth popularizing and applying in national electric power work.
Description
Technical Field
The utility model relates to a circuit breaker safety shutting fixture, concretely relates to mould shell type circuit breaker safety shutting fixture.
Background
In the electrical product exhibition and the electric appliance market, the low-voltage circuit breaker is visible everywhere, and particularly the plastic shell type circuit breaker is favored. The plastic shell type circuit breaker has the two-section protection function of overload long delay and short circuit instantaneous action, and can be matched with module units such as a leakage device, a measurement device and an electric operation device. In a low-voltage distribution system, the switch is commonly used as a terminal switch or a branch switch, and replaces a fuse and a knife switch which are commonly used in the past. In order to ensure the safety of the maintenance work, the breaker is ensured not to be operated by mistake. The circuit breaker that uses at present can artificial random operation when normal use, consequently because personnel's maloperation leads to power equipment and personnel to receive the condition of accidental injury and often take place. Reliable safety measures cannot be ensured frequently during maintenance and defect elimination, and potential safety hazards are brought to maintenance personnel.
The design of the safety locking clamp on the plastic shell type circuit breaker is an effective measure for preventing safety accidents caused by artificial reasons, and the safety locking clamp prepared from ABS plastic suitable for the plastic shell type circuit breaker does not exist at present.
Therefore, there is an urgent need in the industry for a safety locking fixture for a plastic shell type circuit breaker, which can fundamentally control the 'dangerous points' of an operation site, ensure the personal safety of maintainers and effectively avoid the occurrence of disastrous accidents caused by human beings.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a mould shell type circuit breaker safety shutting fixture to the not enough among the prior art, adopt 4 special-shaped component built-up mountings that form by ABS engineering plastics preparation, reach the shutting effect. The problem that the plastic shell type circuit breaker cannot be locked in the overhauling work is solved, the safety in the working is improved, safety accidents caused by misoperation can be effectively prevented, and the plastic shell type circuit breaker is worthy of popularization and application in national electric power work.
In order to achieve the above object, the utility model discloses a technical scheme specifically as follows:
the utility model provides a mould shell type circuit breaker shutting fixture which characterized in that: including the special-shaped screw 5, special-shaped nut 6 and plus padlock 3 by ABS engineering plastics preparation respectively, special-shaped nut 6 and the fixed shutting plastic shell type circuit breaker 2 of handle cooperation installation, plus padlock 3 reaches the shutting effect with the cooperation of special-shaped class lockhole fixture 8, and special-shaped screw 5 and special-shaped nut 6 and the installation of mutually supporting of special-shaped class locking piece 7 articulate on shutting plastic shell type circuit breaker handle, make it unable deciliter of handle, special-shaped class lockhole fixture 8 is including snap ring 12 and the buckle 13 of mutually supporting.
And a sawtooth iron clamping piece 4 is integrated on the special-shaped nut 6 and is used for being matched with the special-shaped screw 5 to fix and lock the plastic shell type circuit breaker handle.
The special-shaped screw 5 comprises a special-shaped screw head 9 and a special-shaped screw rod 10 with external threads.
And an internal thread which is just hinged with the external thread on the special-shaped screw rod 10 is arranged in the special-shaped nut 6.
The special-shaped nut 6 is provided with two positioning holes 11 which are symmetrically distributed.
The utility model has the advantages that: a shutting fixture of moulding shell type circuit breaker adopts 4 special-shaped component built-up installations that form by ABS engineering plastics preparation, reaches the shutting effect. The problem that the plastic shell type circuit breaker cannot be locked in the overhauling work is solved, the safety in the working is improved, safety accidents caused by misoperation can be effectively prevented, and the plastic shell type circuit breaker is worthy of popularization and application in national electric power work; the ABS engineering plastic has excellent heat resistance, weather resistance, size stability, impact resistance and excellent processing flowability.
Drawings
FIG. 1 is a schematic view of the installation structure of the present invention;
FIG. 2 is a front view of the profile screw of the present invention;
FIG. 3 is a top view of the special-shaped screw of the present invention;
FIG. 4 is a bottom view of the special-shaped screw of the present invention;
fig. 5 is a front view of the special-shaped nut of the present invention;
fig. 6 is a reverse view of the special-shaped nut of the present invention;
fig. 7 is a top view of the special-shaped nut of the present invention;
fig. 8 is a bottom view of the special-shaped nut of the present invention;
FIG. 9 is a side view of the special-shaped locking hole fixture of the present invention;
fig. 10 is an opened front view of the special-shaped locking hole fixture of the present invention;
fig. 11 is an opened top view of the special-shaped locking hole fixture of the present invention;
FIG. 12 is a bottom view of the special-shaped locking hole fixture of the present invention;
fig. 13 is a closed front view of the special-shaped locking hole fixture of the present invention;
fig. 14 is a closed top view of the special-shaped locking hole fixture of the present invention;
FIG. 15 is a closed bottom view of the special-shaped locking hole fixture of the present invention;
fig. 16 is a front view of the shaped locking piece of the present invention;
fig. 17 is a reverse view of the special-shaped locking piece of the present invention;
fig. 18 is a top view of the special-shaped locking piece of the present invention;
figure 19 is a side view of the shaped locking tab of the present invention;
shown in the figure: 1. a locking clamp of the plastic shell type circuit breaker; 2. a molded case circuit breaker; 3. a padlock is additionally arranged; 4. a sawtooth iron clamping piece; 5. a special-shaped screw; 6. a special-shaped nut; 7. a special-shaped locking piece; 8. special-shaped lockhole clamps; 9. a shaped screw head; 10. a special-shaped screw rod; 11. positioning holes; 12. a snap ring; 13. and (5) buckling.
Detailed Description
The technical solution of the present invention is further described by the following specific embodiments with reference to the accompanying drawings:
a locking clamp of a plastic shell type circuit breaker comprises a special-shaped screw 5, a special-shaped nut 6, a handle, a special-shaped keyhole clamp 8 and a special-shaped locking piece 7, wherein the special-shaped screw 5 and the special-shaped nut 6 are respectively made of ABS engineering plastics, the handle is used for being matched with the special-shaped nut 6 to fix a locking plastic shell type circuit breaker 2, the special-shaped keyhole clamp 8 is used for being matched with an external padlock 3 to achieve a locking effect, and the special-shaped locking piece is used for being matched with the special-shaped screw 5; a sawtooth iron clamping piece 4 is integrated on the special-shaped nut 6 and used for being matched with the special-shaped screw 5 to fix a locking plastic shell type circuit breaker handle; the special-shaped screw 5 comprises a special-shaped screw head 9 and a special-shaped screw rod 10 with external threads; the special-shaped nut 6 is internally provided with an internal thread which is just hinged with an external thread on the special-shaped screw rod 10, the special-shaped nut 6 is provided with 2 symmetrically distributed positioning holes 11, and the special-shaped lock hole fixture 8 comprises a clamping ring 12 and a clamping buckle 13.
The plastic shell type circuit breaker comprises the safety locking clamp of the plastic shell type circuit breaker.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention 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 (3)
1. The utility model provides a mould shell type circuit breaker shutting fixture which characterized in that: the special-shaped screw, the special-shaped nut and the special-shaped locking piece are matched with each other and are installed and fixed on the handle of the locking plastic shell type circuit breaker, the special-shaped nut and the handle are matched with each other to achieve a locking effect, the special-shaped screw, the special-shaped nut and the special-shaped locking piece are installed in a matched mode and are hung on the handle of the locking plastic shell type circuit breaker, the handle cannot be separated and combined, and the special-shaped lock hole clamp comprises a clamping ring and a clamping buckle which are matched with each other; the special-shaped nut is integrated with a sawtooth iron clamping piece and is used for being matched with a special-shaped screw to fix a locking plastic shell type circuit breaker handle; the special-shaped screw comprises a special-shaped screw head and a special-shaped screw rod with external threads.
2. The mold cased circuit breaker latch clip of claim 1, wherein: and an internal thread which is just hinged with the external thread on the screw rod of the special-shaped screw is arranged in the special-shaped nut.
3. The mold cased circuit breaker latch clip of claim 1, wherein: the special-shaped nut is provided with 2N positioning holes which are symmetrically distributed, and N is a natural integer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921965825.1U CN211320029U (en) | 2019-11-14 | 2019-11-14 | Safety locking clamp for plastic shell type circuit breaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921965825.1U CN211320029U (en) | 2019-11-14 | 2019-11-14 | Safety locking clamp for plastic shell type circuit breaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211320029U true CN211320029U (en) | 2020-08-21 |
Family
ID=72063462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921965825.1U Active CN211320029U (en) | 2019-11-14 | 2019-11-14 | Safety locking clamp for plastic shell type circuit breaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211320029U (en) |
-
2019
- 2019-11-14 CN CN201921965825.1U patent/CN211320029U/en active Active
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