CN209544061U - A kind of power transformer convenient for power supply connection - Google Patents

Abstract

It is intermediate on the right side of first shell to be fixedly connected with second shell the utility model discloses a kind of power transformer convenient for power supply connection, including first shell；It is disposed with the 4th shell, the 5th shell and third shell from top to bottom on the right side of first shell and second shell；It is fixedly connected with first shell right side on the left of 4th shell and third shell；5th shell and the 4th shell are slidably connected；Common jack is provided on the left of first shell；Plug wire hole is offered between 5th shell and the 4th shell, plug wire hole left end is provided with plug；Plug wire hole and switching base are coaxial；5th housing bottom front and rear sides are fixedly connected with rack gear；Check valve is provided between first cylinder and the second cylinder；The utility model has the advantage of the connections that power supply and power transformer are realized in the principle compensated automatically using Pneumatic pressure and self-locking, make connection procedure stationarity with higher；Special Tool is not needed during connecting with power supply line, can directly be connect with bare wire.

Description

A kind of power transformer convenient for power supply connection

Technical field

The utility model relates to power transformer fields, become more specifically to a kind of power supply convenient for power supply connection Depressor.

Background technique

Power transformer is a kind of soft magnetism electromagnetic component, and function is power transmission, voltage transformation and is dielectrically separated from, in power supply It is widely used in technology and in power electronic technique；Its principle is output and the special transformation for inputting shared one group of coil Device；Boosting and decompression are realized with different taps；The part tap voltage fewer than sharing coil just reduces, more than shared coil Part tap voltage just increase；The mains voltage in China is 220V, for the weak current equipment voltage in life in 12~36V Left and right；Therefore transformer purposes in life is especially extensive.

For the integrated equipment in life, transformer is welded on circuit boards；Some independent transformers connect to power supply When be also required to corresponding tool；The existing mode of connection has pressure pad type, jack type, screw snapping etc.；Above-mentioned connection type is all Need Special Tool；Pressure pad type needs special metal washer to connect with power supply line；Then metal washer is being connected in transformer It connects, this connection type conducting wire cannot rotate；Secondly, jack type uses the power supply transfer tool of national standard；This connection type is logical It is stronger with property, but be easy to loosen, it is limited by region standard；It is extremely convenient that the power supply of the utility model is connect with transformer, Any Special Tool is not needed；Secondly, electrical equipment can be also directly connected in the case where power supply or transformer have electricity；Entirely Process safety, stationarity are higher, and arc quenching effect is good；Further, power supply line relative to transformer can arbitrarily rotate can also with appoint The bare wire of meaning connects；A kind of power supply change disclosed in the power transformer and application number 200920175498.X that the utility model uses The plug conversion equipment of depressor is being transferred by the way that a common jack is arranged in transformer with the cooperation of the plug of feature to realize, but The technology is only applicable to the power supply of socket；Application No. is a kind of turning for power transformer plug disclosed in 201020193979.6 Changing device realizes the switching of power supply by the plug that can be deformed, and cannot cooperate with bare wire.

Utility model content

To solve the above problems, the utility model adopts the following technical scheme.

A kind of power transformer convenient for power supply connection, including first shell, the intermediate fixed company in first shell right side It is connected to second shell；Be disposed with from top to bottom on the right side of the first shell and second shell the 4th shell, the 5th shell and Third shell；It is fixedly connected with first shell right side on the left of 4th shell and third shell；5th shell and Four shells are slidably connected；Common jack is provided on the left of the first shell；

Rectangular channel is offered inside the second shell, the rectangular channel is disposed with energy storage air bag, from left to right One cylinder, connection frame and switching base；Successively head and the tail activity connects for the energy storage air bag, the first cylinder, connection frame and switching base It connects；First cylinder and switching base are fixedly connected with rectangular channel；It is provided with the second cylinder among the second shell bottom, On the outside of the cylinder body of second cylinder be fixedly connected among second shell bottom；The push rod and the 5th of the second cylinder right end Shell is fixedly connected；Plug wire hole is offered between 5th shell and the 4th shell, the plug wire hole left end is provided with plug； The plug wire hole and switching base are coaxial；The 5th housing bottom front and rear sides are fixedly connected with rack gear；First cylinder And second be provided with check valve between cylinder.

Preferably, the switching base includes switching base main body, and the switching base main center is fixedly connected with the One conductor, the switching base main body outside are provided with the first spring, and first spring outwards are provided with from lock barrel, described It is connected from lock barrel by the first spring with switching base subject activity；The switching base main body right end surrounding is connected with Card ball；

The plug includes plug body, and the plug body center is fixedly connected with the second conductor, the plug body Snap ring is offered on the outside of left end, is provided with buffer pressure pad, the switching base main body on the outside of first conductor and the second conductor It is fixedly connected with buffer pressure pad with plug body inside；The plug body right end is fixedly connected with rubber clinching, the rubber Ratchet is fixedly connected on the inside of glue laminated button；Rubber clinching outer surface offers screw thread, and activity connects on the outside of the rubber clinching It is connected to nut.

Preferably, the first conductor and the second conductor match；The card ball and snap ring match.

Preferably, the 4th case top is provided with reversal valve, and the 4th housing bottom offers triangular groove, described Triangular groove internal slide is connected with guide rail, and the guide rail and the 5th shell are fixedly connected.

Preferably, internal activity connects sprocket drive spindle, gear and rack gear on the gear shaft on the right side of the third shell Match；The gear shaft front end is connected with rocker arm.

Preferably, shielded layer is fixedly connected with inside the plug wire hole；The reversal valve is two-bit triplet reversal valve.

Preferably, the rocker arm includes connecting rod, and the connecting rod left end is connected with crank, the crank outer surface setting There is anti-skid chequer.

Preferably, the energy storage air bag includes protective layer, and the protective layer is internally provided with buffer body.

Preferably, the check valve includes valve body, and the valve inner offers valve chamber, and the valve chamber bottom is flexibly connected There is second spring, the second spring top movable is connected with plunger, matches among the plunger and valve chamber.

Preferably, two corners are fixedly connected with protective case on the outside of the first shell and third housing bottom.

Compared with the prior art, utility model has the advantages that

The prior art is compared, and the utility model has the advantage of realize power supply in the principle compensated automatically using Pneumatic pressure Connection with power transformer and self-locking, makes connection procedure stationarity with higher；It is not connect directly with external environment simultaneously Touching, to ensure that the safety of switching base and plug connection procedure；Compared with prior art the utility model with power supply Line does not need Special Tool during connecting, and can directly connect with bare wire, and whole process is easy to operate；It needs further What is illustrated is that transformer inside the utility model first shell using 2.5W220V becomes 12.7 ± 0.5V potted transformer.

Further, the switching base of the utility model setting and the first conductor and the second conductor among plug, two Cooperated when person connects by jack type, in this way to increase its area that contacts with each other, so that its is right for the quick transmission reduction of charge The inhibition of electric current；The two can mutually rotate to reduce the tangled up and knotted rate of power supply line simultaneously.

Further, the stationarity mutually moved for the 4th shell of guarantee and the 5th shell, the 4th shell of the utility model Bottom offers triangular groove, and the guide rail of triangular groove internal slide connection is fixedly connected with the 5th shell, such connection type The two is evaded and has generated tilting moment when sliding, has further guaranteed that gear shaft fits with rack.

Further, the rocker arm of the utility model setting can fold, and then can directly be collected in third enclosure interior, this Sample can not only smaller the utility model space occupied, moreover it is possible to enhance the self-compensating ability of the utility model outfit.

Further, the protective layer of energy storage air bag setting is prevented since buffer body service load is excessive produced damaged, together When be also prevented from and excessively move to left the first spring of excess compression from lock barrel, and then the first spring is protected to prevent it from reaching elastic limit.

Further, on the outside of first shell and third housing bottom two corners setting protective case, for practical compared with small capital new Type is worn during use；Harm of the reducing collisions to the utility model.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the utility model second shell and the 5th shell cross-sectional view；

Fig. 3 is the utility model second shell right sectional view；

Fig. 4 is the utility model switching base and plug connection schematic diagram；

Fig. 5 is the utility model plug interior structure schematic diagram；

Fig. 6 is the 4th shell of the utility model and the 5th shell installation diagram；

Fig. 7 is the utility model third shell main view；

Fig. 8 is the utility model energy storage airbag structure schematic diagram；

Fig. 9 is the utility model pneumatic schematic diagram；

Figure 10 is the structural schematic diagram of the utility model check valve.

Figure label explanation:

1, first shell；2, second shell；3, third shell；4, the 4th shell；5, the 5th shell；6, energy storage air bag；7, First cylinder；8, connection frame；9, switching base；10, the second cylinder；11, plug；12, switching base main body；13, the first conductor； 14, from lock barrel；15, the first spring；16, card ball；17, plug body；18, the second conductor；19, snap ring；20, buffer pressure pad； 21, rubber clinching；22, ratchet；23, nut；24, reversal valve；25, plug wire hole；26, shielded layer；27, rack gear；28, guide rail； 29, gear shaft；30, rocker arm；31, connecting rod；32, crank；33, protective layer；34, buffer body；35, check valve；36, valve body；37, valve Chamber；38, plunger；39, second spring；40, protective case.

Specific embodiment

The following is a combination of the drawings in the embodiments of the present utility model；The technical scheme in the embodiment of the utility model is carried out Clearly and completely describe；Obviously；The described embodiments are only a part of the embodiments of the utility model；Rather than whole Embodiment.Based on the embodiments of the present invention；Those of ordinary skill in the art are without making creative work Every other embodiment obtained；It fall within the protection scope of the utility model.

In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right", The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

Please refer to Fig. 1, Fig. 2, Fig. 3, a kind of power transformer convenient for power supply connection, including first shell 1, first shell 1 right side is intermediate to be fixedly connected with second shell 2；First shell 1 and 2 right side of second shell are disposed with the 4th from top to bottom Shell 4, the 5th shell 5 and third shell 3；4th shell 4 and 3 left side of third shell connect with fixed on the right side of first shell 1 It connects；5th shell 5 and the 4th shell 4 are slidably connected；Common jack is provided on the left of first shell 1；

Rectangular channel is offered inside second shell 2, rectangular channel is disposed with energy storage air bag 6, the first cylinder from left to right 7, connection frame 8 and switching base 9；Successively head and the tail are flexibly connected for energy storage air bag 6, the first cylinder 7, connection frame 8 and switching base 9； First cylinder 7 and switching base 9 are fixedly connected with rectangular channel；The second cylinder 10, the second gas are provided among 2 bottom of second shell On the outside of the cylinder body of cylinder 10 be fixedly connected among 2 bottom of second shell；The push rod and the 5th shell 5 of second cylinder, 10 right end are solid Fixed connection；Plug wire hole 25 is offered between 5th shell 5 and the 4th shell 4,25 left end of plug wire hole is provided with plug 11；Plug wire hole 25 is coaxial with switching base 9；5th shell, 5 bottom front and rear sides are fixedly connected with rack gear 27；First cylinder 7 and the second cylinder 10 Between be provided with check valve 35.

When user uses the utility model, the insulating layer removal of the power supply line of the utility model will be accessed first, it will Plug 11 takes out from the 5th shell 5 and connect with power supply line, is embodied as follows: the nut 23 of plug 11 is rotated counterclockwise, Power supply line is inserted among rubber clinching 21, nut 23 rotates clockwise, and realizes the preliminary switching to power supply line；Rotate rocker arm 30 5th shell moves right under the action of gear shaft 29 and rack gear 27, and plug 11 is placed on inside plug wire hole 25, is reversely shaken Shake arm 30, the power supply line having connect with plug 11 moves downward under the action of the 5th shell 5, in the movement of the 5th shell 5 Meanwhile the 5th shell 5 push the second cylinder 10 to the left, the gas in 10 left side of the second cylinder is compressed into the right side of the first cylinder 7； At the same time, the gas in 7 left side of the first cylinder, into energy storage air bag 6；It is female that the push rod of first cylinder 7 drives connection frame 8 that will transfer Being shifted to the left from lock barrel 14 on seat 9；Then switching base 9 is convenient for the cooperation of plug 11, adjustable change valve 24, the second cylinder 10 Higher-pressure region off-load；Then moved right under the action of buffer body in the first spring 15 and energy storage air bag 6 from lock barrel 14；From And it realizes and switching base 9 and plug 11 is connected with each other and is automatically locked；Entire connection procedure does not contact directly with external environment； There is shielded layer 26 inside further plug wire hole 25, therefore the process of haveing suffered will not generate electric arc.

There are following technical effects for the utility model: (1) the utility model has the advantage of automatic using Pneumatic pressure The principle of compensation realizes the connection of power supply and power transformer and self-locking, makes connection procedure stationarity with higher；Simultaneously It is not contacted directly with external environment, to ensure that the safety of switching base and plug connection procedure；It is moved in the 5th shell While, the 5th shell pushes the second cylinder to the left, and the gas on the left of the second cylinder is compressed into the right side of the first cylinder；With this Meanwhile the first gas on the left of cylinder, into energy storage air bag；The push rod of first cylinder drive connection frame by transfer in base from Lock barrel shifts to the left；Then switching base is convenient for plug cooperation, adjustable change valve, the higher-pressure region off-load of the second cylinder；Then It is moved right under the action of buffer body in the first spring and energy storage air bag from lock barrel；To realize to switching base and plug It is connected with each other and is automatically locked；(2) compared with prior art the utility model lies in that power supply line does not need spy during connecting Kind tool, can directly connect, and whole process is easy to operate with bare wire；The nut of plug is rotated to the left, power supply line is inserted Enter among rubber clinching, nut rotates to the right, and realizes the preliminary switching to power supply line；Nut, which rotates to the left, makes rubber clinching, when When nut moves to right end, it is just directly clamped among rubber clinching right end；Just bare wire is carried out so self-locking.

Preferably, the switching base 9 includes switching base main body 12, and 12 center of switching base main body is fixedly connected There is the first conductor 13, the first spring 15 is provided on the outside of the switching base main body 12, is provided on the outside of first spring 15 It is described to be flexibly connected from lock barrel 14 by the first spring 15 and switching base main body 12 from lock barrel 14；The switching base 12 right end surrounding of main body is connected with card ball 16；

The plug 11 includes plug body 17, and 17 center of plug body is fixedly connected with the second conductor 18, described Snap ring 19 is offered on the outside of 17 left end of plug body, is provided with buffer pressure pad on the outside of first conductor 13 and the second conductor 18 20, the switching base main body 12 and 17 inside of plug body are fixedly connected with buffer pressure pad 20；The plug body 17 is right End is fixedly connected with rubber clinching 21, is fixedly connected with ratchet 22 on the inside of the rubber clinching 21；21 appearance of rubber clinching Face offers screw thread, is connected with nut 23 on the outside of the rubber clinching 21；The switching base 9 and insert that the utility model is arranged The first conductor 13 and the second conductor 18 among first 11 are cooperated in the two connection by jack type, in this way to increase its phase Mutual contact area, so that the quick transmission of charge reduces its inhibition to electric current；The two can mutually rotate to drop simultaneously The low tangled up and knotted rate of power supply line.

Preferably, the first conductor 13 and the second conductor 18 match；The card ball 16 and snap ring 19 match, and then increase Contact area improves conductivity.

Preferably, reversal valve 24 is provided at the top of the 4th shell 4,4 bottom of the 4th shell offers triangular groove, The triangular groove internal slide is connected with guide rail 28, and the guide rail 28 is fixedly connected with the 5th shell 5；To guarantee the 4th shell 4 The stationarity mutually moved with the 5th shell 5,4 bottom of the 4th shell of the utility model offer triangular groove, slide inside triangular groove The guide rail 28 of dynamic connection is fixedly connected with the 5th shell 5, and such connection type has evaded the two generation when sliding and inclined Torque is covered, the further cooperation for guaranteeing gear shaft 29 and rack gear 27.

Preferably, the 3 right side internal activity of third shell connects sprocket drive spindle 29, the gear on the gear shaft 29 Match with rack gear 27；29 front end of gear shaft is connected with rocker arm 30；Such structure setting is to realize wiring Journey does not expose in external environment.

Preferably, shielded layer 26 is fixedly connected with inside the plug wire hole 25；The reversal valve 24 is two-bit triplet commutation Valve；Shielded layer 26 is for eliminating electric arc.

Preferably, the rocker arm 30 includes connecting rod 31, and 31 left end of connecting rod is connected with crank 32, the crank 32 Outer surface is provided with anti-skid chequer；The rocker arm 30 of the utility model setting can be directly collected in inside third shell 3, in this way can not only The space occupied of smaller the utility model, moreover it is possible to enhance the self-compensating ability of the utility model outfit.

Preferably, the energy storage air bag 6 includes protective layer 33, and the protective layer 33 is internally provided with buffer body 34；Energy storage The protective layer 33 that air bag 6 is arranged is prevented since 34 service load of buffer body is excessive produced damaged, while being also prevented from from lock barrel 14 excessively move to left the first spring of excess compression 15, and then the first spring 15 is protected to prevent it from reaching elastic limit.

Preferably, the check valve 35 includes valve body 36, offers valve chamber 37,37 bottom of valve chamber inside the valve body 36 Portion is connected with second spring 39, and 39 top movable of second spring is connected with plunger 38, the plunger 38 and valve chamber 37 Centre matches.

Preferably, the first shell 1 and 3 bottom outside two corners of third shell are fixedly connected with protective case 40；First shell The protective case 40 of body 1 and the setting of 3 bottom outside two corners of third shell, grinds during use for smaller the utility model Damage；Harm of the reducing collisions to the utility model.

It is described above；The only preferable specific embodiment of the utility model；But the protection scope of the utility model is not It is confined to this；Anyone skilled in the art is within the technical scope disclosed by the utility model；It is practical according to this Novel technical solution and its improvement design is subject to equivalent substitution or change；It should all cover in the protection scope of the utility model It is interior.

Claims (10)

1. a kind of power transformer convenient for power supply connection, it is characterised in that: including first shell (1), the first shell (1) Second shell (2) are fixedly connected among right side；It is successively set from top to bottom on the right side of the first shell (1) and second shell (2) It is equipped with the 4th shell (4), the 5th shell (5) and third shell (3)；On the left of 4th shell (4) and third shell (3) with It is fixedly connected on the right side of first shell (1)；5th shell (5) and the 4th shell (4) are slidably connected；The first shell (1) Left side is provided with common jack；

Offer rectangular channel inside the second shell (2), the rectangular channel be disposed with from left to right energy storage air bag (6), First cylinder (7), connection frame (8) and switching base (9)；The energy storage air bag (6), the first cylinder (7), connection frame (8) and turn Connecing base (9), successively head and the tail are flexibly connected；First cylinder (7) and switching base (9) are fixedly connected with rectangular channel；Described It is provided with the second cylinder (10) among two shells (2) bottom, on the outside of the cylinder body of second cylinder (10) and second shell (2) bottom It is fixedly connected among portion；The push rod and the 5th shell (5) of second cylinder (10) right end are fixedly connected；5th shell (5) it is offered plug wire hole (25) between the 4th shell (4), plug wire hole (25) left end is provided with plug (11)；It is described to insert String holes (25) and switching base (9) are coaxial；5th shell (5) the bottom front and rear sides are fixedly connected with rack gear (27)；It is described Check valve (35) are provided between first cylinder (7) and the second cylinder (10).

2. a kind of power transformer convenient for power supply connection according to claim 1, it is characterised in that: the switching base It (9) include switching base main body (12), switching base main body (12) center is fixedly connected with the first conductor (13), and described turn It connects and is provided with the first spring (15) on the outside of base main body (12), is provided on the outside of first spring (15) from lock barrel (14), It is described to be flexibly connected from lock barrel (14) by the first spring (15) and switching base main body (12)；The switching base main body (12) right end surrounding is connected with card ball (16)；

The plug (11) includes plug body (17), and plug body (17) center is fixedly connected with the second conductor (18), It is offered snap ring (19) on the outside of plug body (17) left end, setting on the outside of first conductor (13) and the second conductor (18) Have buffer pressure pad (20), fixes and connect with buffer pressure pad (20) on the inside of the switching base main body (12) and plug body (17) It connects；Plug body (17) right end is fixedly connected with rubber clinching (21), is fixedly connected on the inside of the rubber clinching (21) Ratchet (22)；Rubber clinching (21) outer surface offers screw thread, is connected with nut on the outside of the rubber clinching (21) (23)。

3. a kind of power transformer convenient for power supply connection according to claim 2, it is characterised in that: the first conductor (13) Match with the second conductor (18)；The card ball (16) and snap ring (19) match.

4. a kind of power transformer convenient for power supply connection according to claim 1, it is characterised in that: the 4th shell (4) top is provided with reversal valve (24), and the 4th shell (4) bottom offers triangular groove, and the triangular groove internal slide connects It is connected to guide rail (28), the guide rail (28) is fixedly connected with the 5th shell (5).

5. a kind of power transformer convenient for power supply connection according to claim 1, it is characterised in that: the third shell (3) right side internal activity connects sprocket drive spindle (29), and the gear and rack gear (27) on the gear shaft (29) match；The tooth Wheel shaft (29) front end is connected with rocker arm (30).

6. a kind of power transformer convenient for power supply connection according to claim 4, it is characterised in that: the plug wire hole (25) internal to be fixedly connected with shielded layer (26)；The reversal valve (24) is two-bit triplet reversal valve.

7. a kind of power transformer convenient for power supply connection according to claim 5, it is characterised in that: the rocker arm (30) Including connecting rod (31), connecting rod (31) left end is connected with crank (32), and crank (32) outer surface is provided with anti-skidding Line.

8. a kind of power transformer convenient for power supply connection according to claim 1, it is characterised in that: the energy storage air bag It (6) include protective layer (33), the protective layer (33) is internally provided with buffer body (34).

9. a kind of power transformer convenient for power supply connection according to claim 1, it is characterised in that: the check valve (35) include valve body (36), is offered valve chamber (37) inside the valve body (36), valve chamber (37) bottom is connected with the Two springs (39), second spring (39) top movable are connected with plunger (38), and the plunger (38) and valve chamber (37) are intermediate Match.

10. a kind of power transformer convenient for power supply connection according to claim 1, it is characterised in that: the first shell Body (1) and third shell (3) bottom outside two corners are fixedly connected with protective case (40).