CN207474405U - Fuse holder with plug-type fast insert-pull and self-locking device - Google Patents
Fuse holder with plug-type fast insert-pull and self-locking device Download PDFInfo
- Publication number
- CN207474405U CN207474405U CN201721635935.2U CN201721635935U CN207474405U CN 207474405 U CN207474405 U CN 207474405U CN 201721635935 U CN201721635935 U CN 201721635935U CN 207474405 U CN207474405 U CN 207474405U
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- China
- Prior art keywords
- inner housing
- steel ball
- housing
- coupling nut
- pull
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Abstract
The utility model discloses a kind of fuse holders with plug-type fast insert-pull and self-locking device, belong to technical field of electric connectors.Solves the problems such as existing product cannot be connected quickly, easily be loosened, it includes floating cover and firm banking, floating cover includes inner housing, coupling nut and contact head, spring is equipped between inner housing and coupling nut, coupling nut inner cavity is provided with annular groove and steel ball hole with inner housing matching part, steel ball is equipped in steel ball hole, inner housing center is equipped with conical coil spring, coupling nut is equipped with holding screw, inner housing is equipped with L-shaped bail slot, holding screw is located inside L-shaped bail slot, and inner housing is also equipped with snap ring；Firm banking includes jack housing, O-ring, inner wire and outer conductor, and jack housing is equipped with installation nut, and firm banking center is inner wire and fuse, and jack housing is equipped with the arc groove coordinated with steel ball.The utility model can be used for smaller installation space and require the special occasions of fast insert-pull.
Description
Technical field
The utility model is related to a kind of fuse holders with plug-type fast insert-pull and self-locking device, belong to electric connector
Technical field.
Background technology
Fuse holder is widely used in electronics and electromechanical equipment, plays short circuit protective effect.General electronic equipment machine
Outside case, electric source line interface position can all use a kind of round fuse holder, be connected usually using engagement thread, engagement thread connects
The retaining mechanism connect is to set Yin Yang thread respectively on fuse seat and block, and realization fuse holder is screwed using screw thread
Locking with detaching.This retaining mechanism under vibration, is easy to cause screw thread and returns rotation without anti-loosing device so that lid
Cap is loosened with pedestal, causes using effect poor, reliability is low.
Existing fuse holder is mostly plastic material, and anti-vibrating and impact performance is not high, and when thread connecting mode use connects
Speed is relatively slow, it is impossible to fast insert-pull.
Utility model content
The purpose of this utility model is to provide a kind of fuse holders with plug-type fast insert-pull and self-locking device, can
With quick-speed plug, and it is not easy to loosen.
The fuse holder that there is plug-type fast insert-pull and self-locking device, including floating cover and firm banking, institute
The floating cover stated includes inner housing, coupling nut and contact head, and spring, coupling nut are equipped between inner housing and coupling nut
Inner cavity is provided with annular groove with inner housing matching part, and steel ball hole is additionally provided on inner housing, steel ball, inner housing are equipped in steel ball hole
For hollow structure, center is equipped with conical coil spring, and coupling nut is equipped with holding screw, and inner housing is equipped with L-shaped bail slot, tightening
Screw is located inside L-shaped bail slot, and inner housing is also equipped with snap ring；Firm banking include jack housing, O-ring, inner wire and
Outer conductor, jack housing are equipped with installation nut, and firm banking center is inner wire and fuse, and jack housing is equipped with and steel
The arc groove of pearl cooperation.
One end that the inner housing is connect with firm banking is equipped with rivet.
One end that jack housing is connect with floating cover is equipped with guide groove.
There are three steel ball hole on the inner housing is set.
The beneficial effects of the utility model are compared with prior art：
The utility model has the fuse holder of plug-type fast insert-pull and self-locking device, is become by traditional threaded connection
It pushes and pulls push-in, enables to complete to plug together and detach, and have latch functions faster, greatly improve the anti-of fuse holder
Vibratory impulse performance, while the inconvenience that the screw thread tightening way for solving existing conventional fuse silk seat is brought.
Description of the drawings
Fig. 1 is the locking state semi-cutaway of the utility model；
Fig. 2 is the unlocked state semi-cutaway of the utility model；
Fig. 3 is the unlock discrete state semi-cutaway of the utility model；
Wherein, 1, snap ring；2nd, coupling nut；3rd, holding screw；4th, conical coil spring；5th, spring；7th, contact head；8th, inner casing
Body；9th, fuse；10th, steel ball；12nd, jack housing；13rd, O-ring；The 14th, nut is installed；15th, outer conductor；16th, annular groove；17、
Arc groove；18th, rivet；19th, guide groove；20th, L-shaped bail slot；21st, inner wire.
Specific embodiment
The utility model is described further with reference to specific embodiment.
Embodiment 1
The fuse holder that there is plug-type fast insert-pull and self-locking device, including floating cover and firm banking, institute
The floating cover stated includes inner housing 8, coupling nut 2 and contact head 7, spring 5 is equipped between inner housing 8 and coupling nut 2, even
It connects 2 inner cavity of nut and 8 matching part of inner housing is provided with annular groove 16, steel ball hole is additionally provided on inner housing 8, steel ball is equipped in hole
Steel ball 10, inner housing 8 are hollow structure, and center is equipped with conical coil spring 4, and coupling nut 2 is equipped with holding screw 3, on inner housing 8
Equipped with L-shaped bail slot 20, holding screw 3 is located inside L-shaped bail slot 20, and inner housing 8 is also equipped with snap ring 1；Firm banking packet
Jack housing 12, O-ring 13, inner wire 21 and outer conductor 15 are included, jack housing 12, which is equipped with, installs nut 14, in firm banking
The heart is inner wire 21 and fuse 9, and jack housing 12 is equipped with the arc groove 17 coordinated with steel ball 10.
Embodiment 2
The fuse holder that there is plug-type fast insert-pull and self-locking device, including floating cover and firm banking, institute
The floating cover stated includes inner housing 8, coupling nut 2 and contact head 7, spring 5 is equipped between inner housing 8 and coupling nut 2, even
It connects 2 inner cavity of nut and 8 matching part of inner housing is provided with annular groove 16, steel ball hole is additionally provided on inner housing 8, steel ball is equipped in hole
Steel ball 10, inner housing 8 are hollow structure, and center is equipped with conical coil spring 4, and coupling nut 2 is equipped with holding screw 3, on inner housing 8
Equipped with L-shaped bail slot 20, holding screw 3 is located inside L-shaped bail slot 20, and inner housing 8 is also equipped with snap ring 1；Firm banking packet
Jack housing 12, O-ring 13, inner wire 21 and outer conductor 15 are included, jack housing 12, which is equipped with, installs nut 14, in firm banking
The heart is inner wire 21 and fuse 9, and jack housing 12 is equipped with the arc groove 17 coordinated with steel ball 10.Inner housing 8 and fixed bottom
One end of seat connection is equipped with rivet 18.One end that jack housing 12 is connect with floating cover is equipped with guide groove 19.The inner housing 8
On steel ball hole set there are three.
2 inner cavity of the utility model coupling nut is provided with annular groove 16 with 8 matching part of inner housing, and coupling nut 2 passes through
Axial movement can be achieved movement of the steel ball 10 in the steel ball hole of inner housing 8 and be relatively fixed two states.Coupling nut 2 is set
It puts there are two symmetrical threaded hole, for installing holding screw 3, holding screw 3 is movable in the L-shaped bail slot 20 of inner housing 8,
Unlock and locking two states can be achieved.The effect of spring 5 is to provide elastic force to ensure unlock and the normal operation of latch functions.
It is set on floating cover inner housing 8 there are three steel ball hole, it can be achieved that the freely activity in hole of steel ball 10.With coupling nut
3 matching part of holding screw setting on 2 there are two symmetrical L-shaped bail slot 20, can limit coupling nut 2 certain axial and
It is movable in circumference range, to realize the movable of steel ball 10 and be relatively fixed two states.There are two rivets for setting on inner housing 8
18, it can realize anti-mis-insertion positioning and ensure that coupling nut 2 can carry out rotation process.
A closed loop circuit is collectively formed in contact head 7, conical coil spring 4, outer conductor 15, inner wire 21 and fuse, realizes
The electric function of fuse.
As described in Figure 1, the guide groove 19 on 18 alignment socket shell 12 of rivet holds coupling nut 2 to being pushed forward, plugs together
Steel ball 10 is fallen into the arc groove 17 of jack housing 12 behind position, and floating cover plugs together in place with firm banking at this time.Unclamp hand after
Under the action of spring 5, coupling nut 2 is recoiled at snap ring 1, and steel ball 10 and the arc groove 17 of jack housing 12 are fitted close, and is protected
Dangerous silk seat, which plugs together, to be finished and locks, and fuse holder is entirely to being inserted into position and locking at this time.
Such as Fig. 2 and Fig. 3, the position that holding screw 3 is corresponded on inner housing 8 is provided with L-shaped bail slot 20, holds coupling nut 2
To being pushed forward and rotating clockwise, holding screw 3 falls into 20 other end of L-shaped bail slot, 2 locking of coupling nut, and spring 5 is in compression
State.Steel ball 10 is in the position of annular groove 16 at this time, can be detached from the arc groove 17 in jack housing 12, holds coupling nut
2 extract the separation that floating cover and firm banking can be realized backward.
Fuse holder is realized by retaining mechanism and rotation-preventing mechanism between the floating cover and firm banking of the utility model
Locking and separation.Retaining mechanism includes coupling nut 2, spring 5, steel ball 10, holding screw 3, the 8 (steel of inner housing of floating cover
The hole of bead, L-type bail slot 20), the jack housing 12 (arc groove 17) of firm banking, pass through matching for three steel balls 10 and arc groove 17
It closes and realizes locking and separation, coupling nut 2 provides two kinds of functions of locking and unlock.Rotation-preventing mechanism includes on inner housing 8
Keyway guiding slot 19 on rivet 18 and jack housing 12 ensures that coupling nut 2 can be rotated relative to inner housing 8, real
Now unlock and two kinds of functions of locking.
The utility model can realize fuse holder fast insert-pull and lock that new construction replaces original screw thread, shock resistance
It is good, it is simple in structure compact, securely and reliably, in smaller installation space and the special occasions of fast insert-pull is required, is had very high
Practical value.
Claims (4)
1. a kind of fuse holder with plug-type fast insert-pull and self-locking device, including floating cover and firm banking, feature
It is：The floating cover includes inner housing (8), coupling nut (2) and contact head (7), inner housing (8) and coupling nut
(2) spring (5) is equipped between, coupling nut (2) inner cavity is provided with annular groove (16), inner housing with inner housing (8) matching part
(8) steel ball hole is additionally provided on, steel ball (10) is equipped in steel ball hole, inner housing (8) is hollow structure, and center is equipped with conical coil spring
(4), coupling nut (2) is equipped with holding screw (3), and inner housing (8) is equipped with L-shaped bail slot (20), and holding screw (3) is located at
L-shaped bail slot (20) is internal, and inner housing (8) is also equipped with snap ring (1)；Firm banking includes jack housing (12), O-ring
(13), inner wire (21) and outer conductor (15), jack housing (12) are equipped with installation nut (14), and firm banking center is interior leads
Body (21) and fuse (9), jack housing (12) are equipped with the arc groove (17) coordinated with steel ball (10).
2. the fuse holder according to claim 1 with plug-type fast insert-pull and self-locking device, it is characterised in that：It is interior
The one end being connect on housing (8) with firm banking is equipped with rivet (18).
3. the fuse holder according to claim 2 with plug-type fast insert-pull and self-locking device, it is characterised in that：It inserts
One end that seat shell (12) is connect with floating cover is equipped with guide groove (19).
4. the fuse holder according to claim 3 with plug-type fast insert-pull and self-locking device, it is characterised in that：Institute
There are three the steel ball hole on inner housing (8) stated is set.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721635935.2U CN207474405U (en) | 2017-11-29 | 2017-11-29 | Fuse holder with plug-type fast insert-pull and self-locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721635935.2U CN207474405U (en) | 2017-11-29 | 2017-11-29 | Fuse holder with plug-type fast insert-pull and self-locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207474405U true CN207474405U (en) | 2018-06-08 |
Family
ID=62259097
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721635935.2U Active CN207474405U (en) | 2017-11-29 | 2017-11-29 | Fuse holder with plug-type fast insert-pull and self-locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207474405U (en) |
-
2017
- 2017-11-29 CN CN201721635935.2U patent/CN207474405U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |