CN209087722U - A kind of safety lock structure and contactor for contactor - Google Patents
A kind of safety lock structure and contactor for contactor Download PDFInfo
- Publication number
- CN209087722U CN209087722U CN201821998250.9U CN201821998250U CN209087722U CN 209087722 U CN209087722 U CN 209087722U CN 201821998250 U CN201821998250 U CN 201821998250U CN 209087722 U CN209087722 U CN 209087722U
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- China
- Prior art keywords
- safety lock
- contactor
- arc
- contact
- torsional spring
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Abstract
The utility model relates to a kind of safety lock structures and contactor for contactor, safety lock structure includes safety lock and torsional spring, pedestal is equipped with mounting groove, safety lock is mounted in mounting groove, torsional spring is separately connected safety lock and mounting groove, contact is supported to be equipped with safe card hole, and when not installing arc-extinguish chamber, torsional spring drives one end of safety lock to protrude into safe card hole；Arc-extinguish chamber is equipped with boss, and when arc-extinguish chamber, which is installed to contact, to be supported, boss stirs one end that safety lock protrudes into safe card hole, disengages it from safe card hole.Compared with prior art, for the utility model after the arc extinguishing shield disassembly of contactor, safety lock limits the upper and lower displacement that contact is supported, so that contactor disassembly process is safer and convenient, prevents safety accident occur when replacement contact；Safety lock is detached from contact and supports after installing arc-extinguish chamber, and contact support can move up and down, and does not influence the normal work of contactor.
Description
Technical field
The utility model relates to power supply safety protection technique fields, more particularly, to a kind of safety lock knot for contactor
Structure and contactor.
Background technique
Most of existing contactor does not have safety lock structure, when needing replacing the contact of contactor, contacts in disassembly
After the arc-extinguish chamber of device, contact support still can be moved up and down, and be easy to appear and contactd by mistake, cause security risk, influence contactor
Safety and stability in disassembly process, but also disassembly process becomes inconvenient.
Utility model content
The purpose of this utility model is exactly to provide a kind of for contacting to overcome the problems of the above-mentioned prior art
The safety lock structure and contactor of device.
The purpose of this utility model can be achieved through the following technical solutions:
A kind of safety lock structure for contactor, contactor include the pedestal successively installed from the bottom up, contact support
And arc-extinguish chamber, the safety lock structure include safety lock and torsional spring, the pedestal is equipped with mounting groove, the safety lock
It being mounted in mounting groove, the torsional spring is separately connected safety lock and mounting groove, and the contact is supported to be equipped with safe card hole,
When not installing arc-extinguish chamber, the torsional spring drives one end of safety lock to protrude into safe card hole；The arc-extinguish chamber is equipped with
Boss, when arc-extinguish chamber, which is installed to contact, to be supported, the boss stirs one end that safety lock protrudes into safe card hole, makes it
It is detached from safe card hole.
Further, the safety lock is equipped with mounting hole, is equipped with installation axle in the mounting groove, installation axle passes through
Mounting hole, the safety lock are rotated around installation axle.
Further, fixing groove is equipped in the safety lock, the torsional spring is mounted in fixing groove, the both ends of torsional spring
It stretches out safety lock and connects mounting groove.
Further, the safety lock includes a long rocker arm, and long rocker arm protrudes into or be detached from safe card hole.
Further, the section of the long rocker arm is a quarter circular ring structure, outer arc face contact boss.
Further, the safety lock includes a short rocker arm|, is equipped with a limiting stand, the limiting stand in the mounting groove
It is equipped with recessed grain, the short rocker arm| is embedded in groove, mobile in the lower section of groove.
Further, the boss is quadrant shaping plate structure, and the side wall touch-safe of round plate is locked.
Further, the side wall of the round plate is equipped with chamfering.
A kind of contactor is internally provided with any above-mentioned safety lock structure.
Compared with prior art, the utility model has the advantage that
1, for the utility model after the arc extinguishing shield disassembly of contactor, safety lock limits contact support under the action of torsional spring
Upper and lower displacement prevent safety accident occur when replacement contact so that contactor disassembly process is safer and convenient；Work as installation
After arc-extinguish chamber, boss can stir safety lock, disengage it from contact support, and contact support can move up and down, not influence to contact
The normal work of device.
2, the utility model carries out locking reconciliation to contact support automatically using mechanical structure in the disassembly process of arc-extinguish chamber
Lock, without operation manually specially, so that the disassembly process of contactor is more convenient, reliable.
3, in the utility model, long rocker arm section is to be set as a quarter cirque structure, that is, it is whole to alleviate safety lock
The total amount of body, and the contact area of itself and boss is increased, it makes it easier to be stirred by boss.
4, the utility model limits moving up and down for safety lock by limiting stand, after being mounted on safety lock in mounting groove not
It is easily detached from, further increases the stability of safety lock structure.
5, the compact structure of the utility model, compact, is minimized its influence to contactor inner space, while easily
It is transformed in existing equipment, practical value is high.
Detailed description of the invention
Fig. 1 is the perspective cross-sectional schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram of safety lock；
Fig. 3 is the schematic top plan view of safety lock；
Fig. 4 is the structural schematic diagram of torsional spring；
Fig. 5 is the structural schematic diagram of pedestal；
Fig. 6 is the schematic top plan view of pedestal；
Fig. 7 is the structural schematic diagram that contact is supported；
Fig. 8 is the structural schematic diagram of arc-extinguish chamber；
Fig. 9 is the enlarged structure schematic diagram of arc-extinguish chamber boss；
Figure 10 is the depression angle schematic cross-sectional view of the utility model lock state；
Figure 11 is the depression angle schematic cross-sectional view of the utility model unlocked state；
Appended drawing reference: 1, pedestal, 11, mounting groove, 12, installation axle, 13, limiting stand, 2, contact support, 21, safe card hole,
3, arc-extinguish chamber, 31, boss, 4, safety lock, 41, mounting hole, 42, fixing groove, 43, long rocker arm, 44, short rocker arm|, 5, torsional spring.
Specific embodiment
The utility model is described in detail in the following with reference to the drawings and specific embodiments.The present embodiment is with the utility model
Implemented premised on technical solution, the detailed implementation method and specific operation process are given, but the guarantor of the utility model
Shield range is not limited to the following embodiments.
As shown in Figure 1, present embodiments providing a kind of safety lock structure for contactor, contactor includes from the bottom up
Pedestal 1, the contact successively installed support 2, arc-extinguish chamber 3, and the other structures of contactor are consistent with existing contactor, therefore omit and retouch
It states.Safety lock structure includes safety lock 4 and torsional spring, is mounted in contactor.
As shown in figs. 2 to 4, safety lock 4 includes one long Rocker arm 43 and a short rocker arm| 44, long Rocker arm 43 and short rocker arm| 44
In 90 degree of angles, the junction of long Rocker arm 43 and short rocker arm| 44 is mounting hole 41.The section of the long Rocker arm 43 is quadrant
Ring structure.Fixing groove 42 is additionally provided in safety lock 4, there are two outlet, one outlets to be arranged in short rocker arm| 44 for the tool of fixing groove 42
On, another exports the outside that angle is arranged in.Torsional spring 5 is mounted in fixing groove 42, and the both ends of torsional spring 5 stretch out two respectively
Outlet.
As shown in Figure 5 and Figure 6, pedestal 1 is equipped with mounting groove 11, and installation axle 12, installation are equipped at the center of mounting groove 11
41 sets of hole is in installation axle 12, so that safety lock 4 is fixed in mounting groove 11, and can rotate around installation axle 12.Pedestal 1
On be additionally provided with a limiting stand 13, the limiting stand 13 be equipped with recessed grain, short rocker arm| 44 be embedded in groove in, for limiting safety lock 4
Upper and lower displacement.The limited wall that 5 one end of torsional spring for the outer outlets for stretching out angle is mounted in slot 11 is fixed, and short rocker arm| is stretched out
5 one end of torsional spring of 44 outlets and short rocker arm| 44 are fixed in groove together, therefore torsional spring 5 can be shunk counterclockwise.
As shown in fig. 7, contact supports 2 to be mounted on the top of pedestal 1 so that safety lock 4 be located at pedestal 1 and contact support 2 it
Between.It supports to be equipped with safe card hole 21 on 2 in contact, the position of safe card hole 21 and the position of long Rocker arm 43 are corresponding.
As shown in Figure 8 and Figure 9, boss 31 corresponding with 3 position of long Rocker arm 4 of safety lock 4, boss are equipped in arc-extinguish chamber 3
31 be quadrant shaping plate structure, and the side wall of round plate is equipped with chamfering, and contacts long Rocker arm 43.
The working principle of the present embodiment are as follows:
As shown in Figure 10, when not installing arc-extinguish chamber 3, the utility model is in the lock state, and safety lock 4 is mounted on pedestal
On 1, torsional spring 5 is mounted on inside safety lock, limit and fix by pedestal 1, and torsional spring 5 is applied to safety lock one clockwise to the left
Power rotates clockwise safety lock 4, to guarantee that the long Rocker arm 43 of safety lock 4 protrudes into the safe card hole 21 of contact support 2, with
Reach limitation contact and supports that 2 move downward.
As shown in figure 11, when installing arc-extinguish chamber 3, the utility model is in the unlocked state, the boss 31 above arc-extinguish chamber 3
The cooperation pushed is generated with the long Rocker arm 43 of safety lock 4, boss 31 is applied to the power of long Rocker arm 43 one to the right, while driving torsion
The compression of spring 5 rotates counterclockwise safety lock 4, so that long Rocker arm 43 is detached from out of contact supports 2 safe card hole 21, no longer limits
Contact supports 2 movement, i.e., does not influence the normal work of contactor.
The preferred embodiments of the present invention have been described in detail above.It should be appreciated that the ordinary skill people of this field
Member according to the present utility model can conceive without creative work makes many modifications and variations.Therefore, all this technology necks
Technical staff passes through logic analysis, reasoning or limited reality according to the design of the utility model on the basis of existing technology in domain
Available technical solution is tested, it all should be within the scope of protection determined by the claims.
Claims (9)
1. a kind of safety lock structure for contactor, contactor includes the pedestal (1) successively installed from the bottom up, contact support
(2) and arc-extinguish chamber (3), which is characterized in that the safety lock structure includes safety lock (4) and torsional spring (5), the pedestal
(1) mounting groove (11) are equipped with, the safety lock (4) is mounted in mounting groove (11), and the torsional spring (5) is separately connected peace
Full lock (4) and mounting groove (11), the contact supports (2) to be equipped with safe card hole (21), when not installing arc-extinguish chamber (3),
The torsional spring (5) drives the one end of safety lock (4) to protrude into safe card hole (21)；The arc-extinguish chamber (3) is equipped with boss
(31), when arc-extinguish chamber (3), which is installed to contact, to be supported on (2), the boss (31) stirs safety lock (4) and protrudes into safe card hole
(21) one end in disengages it from safe card hole (21).
2. a kind of safety lock structure for contactor according to claim 1, which is characterized in that the safety lock
(4) mounting hole (41) are equipped with, are equipped with installation axle (12) in the mounting groove (11), installation axle (12) passes through mounting hole
(41), the safety lock (4) is rotated around installation axle (12).
3. a kind of safety lock structure for contactor according to claim 1, which is characterized in that the safety lock
(4) fixing groove (42) are equipped in, the torsional spring (5) is mounted in fixing groove (42), and safety lock is stretched out at the both ends of torsional spring (5)
(4) mounting groove (11) are connected.
4. a kind of safety lock structure for contactor according to claim 1, which is characterized in that the safety lock
It (4) include a long rocker arm (43), safe card hole (21) are protruded into or be detached to long rocker arm (43).
5. a kind of safety lock structure for contactor according to claim 4, which is characterized in that the long rocker arm
(43) section is a quarter circular ring structure, outer arc face contact boss (31).
6. a kind of safety lock structure for contactor according to claim 1, which is characterized in that the safety lock
It (4) include a short rocker arm| (44) being equipped with a limiting stand (13) in the mounting groove (11), which is equipped with recessed
Grain, the short rocker arm| (44) are embedded in groove, mobile in the lower section of groove.
7. a kind of safety lock structure for contactor according to claim 1, which is characterized in that the boss (31)
Side wall touch-safe for quadrant shaping plate structure, round plate locks (4).
8. a kind of safety lock structure for contactor according to claim 7, which is characterized in that the side of the round plate
Wall is equipped with chamfering.
9. a kind of contactor, which is characterized in that it is internally provided with any safety lock structure of claim 1~8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821998250.9U CN209087722U (en) | 2018-11-30 | 2018-11-30 | A kind of safety lock structure and contactor for contactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821998250.9U CN209087722U (en) | 2018-11-30 | 2018-11-30 | A kind of safety lock structure and contactor for contactor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209087722U true CN209087722U (en) | 2019-07-09 |
Family
ID=67126133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821998250.9U Active CN209087722U (en) | 2018-11-30 | 2018-11-30 | A kind of safety lock structure and contactor for contactor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209087722U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109473319A (en) * | 2018-11-30 | 2019-03-15 | 德力西电气有限公司 | A kind of safety lock structure and contactor for contactor |
-
2018
- 2018-11-30 CN CN201821998250.9U patent/CN209087722U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109473319A (en) * | 2018-11-30 | 2019-03-15 | 德力西电气有限公司 | A kind of safety lock structure and contactor for contactor |
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