CN208889957U - Three poles are molded spring plug structure for arranging wires - Google Patents

Abstract

The utility model relates to a kind of three poles to be molded spring plug structure for arranging wires, including three root cutting pins and constitutes the inner casing of plug separating mechanism and constitute the ejector pin of plug separating mechanism, the ejector pin is telescopically threaded through on inner casing, the three root cuttings pins position is in the lower section of the inner casing, the three root cuttings pin is respectively the pole L bolt, the pole N bolt and the pole E bolt, the pole L bolt and the pole N bolt are located at the side of the inner casing, the pole E bolt is located at the other side of the inner casing, and the side of the inner casing is equipped with N polar conductor bayonet and L polar conductor bayonet, the other side are equipped with E polar conductor bayonet.The utility model be intended to provide it is a kind of power supply line displacement in injection moulding process can be effectively prevent to arch upward and generate exposed three poles injection molding spring plug structure for arranging wires, it is exposed and cause yields low to solve the problems, such as to be easy to produce power supply line in existing three pole injection molding spring plug manufacturing process.

Description

Three poles are molded spring plug structure for arranging wires

Technical field

The utility model relates to plugs, more particularly to a kind of three poles to be molded spring plug structure for arranging wires.

Background technique

Plug is to cooperate the component for inducing one power supply to electric appliance for same socket.The basic structure of plug include plug body and Be connected to the inserted sheet (also known as bolt) of plug body, when use be inserted into the jack of socket by inserted sheet after with sleeve be connected to one It rises and draws power supply.In order to guarantee being reliably connected between sleeve and inserted sheet, sleeve can be designed as with biggish chucking power folder It holds on inserted sheet, defective socket is not caused when in order to pull the plug out of the socket, need that a hand pins socket, another hand catches plug Mode is extracted, inconvenient when causing to extract, when especially plug is inserted on mobile socket, must two hands can extract； If chucking power is very big or user's strength is smaller, user need on one side exert oneself to pull out outward, while shake to both sides it is slotting Head can extract plug, and the improper decline of the sleeve chucking power that will lead to socket and wall socket fall off in this way.For It solves the above problems, has devised spring plug in the patent document that Chinese Patent Application No. is CN201710137132.2. When the spring plug is made as injection plug, the space in plug body is occupied due to the plug separating mechanism being integrated in inner casing It is more, so as to cause in plug body accommodate power supply line space it is smaller, the power supply line being moulded in plug body is being infused It is easy to arch upward during modeling and generates exposed, the exposed plug of power supply line is defective products plug, therefore yields is low.

Utility model content

The utility model, which is intended to provide one kind, can effectively prevent power supply line displacement in injection moulding process to arch upward and generate exposed Three poles be molded spring plug structure for arranging wires, solve in existing three pole injection molding spring plug manufacturing process and be easy to produce power supply The problem that line is exposed and causes yields low.

The above technical problem is solved through the following technical scheme: a kind of three poles injection molding spring plug structure for arranging wires, packet It includes three root cutting pins and constitutes the inner casing of plug separating mechanism and constitute the ejector pin of plug separating mechanism, the ejector pin is telescopically worn Be located on inner casing, the three root cuttings pins position in the lower section of the inner casing, the three root cuttings pin be respectively the pole L bolt, the pole N bolt and The pole E bolt, the pole L bolt and the pole N bolt are located at the side of the inner casing, the pole E bolt is located at the other side of the inner casing, described The side of inner casing is equipped with N polar conductor bayonet and L polar conductor bayonet, the other side are equipped with E polar conductor bayonet.In manufacturing process, by same L The power supply line of pole bolt connection is stuck in L polar conductor bayonet, with the connection of the pole N bolt power supply line be stuck in N polar conductor bayonet and The power supply line that the same pole E bolt connects is connected to E polar conductor bayonet, injection molding is then carried out and forms plug body, so that electric Source line will not generate displacement during injection molding to arch upward.The above layout relationship between three root cutting pins and inner casing, is made It is convenient when making.

Preferably, the inner casing includes shell bottom and cap, the shell bottom and cap are snapped connection by least three one It rises, three bayonets buckle for first, second buckles and third buckle, equipped in inner housing inner formation confession outside the inner casing The hole of ejector pin installation and the protrusion formed, the N polar conductor bayonet are located between the first buckle and protrusion, the L polar conductor Bayonet is located between protrusion and the second buckle, and the third buckle is located at the same side of inner casing with E polar conductor bayonet.In order to guarantee The compactedness of inner casing, the wall of the bayonet of formation are the surface for protruding from inner casing, the technical solution using bayonet wall and make It buckles, plays an object two use, to improve convenience when assembly inner casing.

The utility model further includes the substrate of plastic construction, and the bolt is together with substrate injection molding, the substrate It is equipped with the first blocked hole and the second blocked hole, the inner casing is equipped with the first clamping joint and the second clamping joint, the first clamping joint It is connected in the first blocked hole and the second clamping joint is connected in the second blocked hole and inner casing and substrate are fixed together, it is described E polar conductor bayonet is located between first clamping joint and third buckle.Substrate links together with inner casing, can be improved injection molding The convenience being fixed when shell.It constitutes the wall of bayonet using space head at this time, can guarantee structural compactness.

Preferably, the shell bottom and cap also pass through the 4th snap connection together with, the E polar conductor bayonet has two A, an E polar conductor bayonet is located between the first clamping joint and third buckle, another E polar conductor bayonet is located at the first clamping Between head and the 4th buckle.

Preferably, first clamping joint and the second clamping joint are all located on the shell bottom.Convenience when assembly is good.

Preferably, the plug separating mechanism further includes the button that sliding is threaded through on the inner casing, the pole L bolt and N The distribution arrangement of pole bolt is identical with the glide direction of button.It is convenient when the plug operation produced.

Preferably, the plug separating mechanism further includes that ejector pin control mechanism and driving ejector pin are stretched out from side where bolt The ejector pin of plug body pops up spring, and the ejector pin control mechanism includes the clamping portion for being set to ejector pin, makes with clamping portion cooperation Ejector pin is maintained at the clamp of contraction state, driving clamp snaps into clamp driving spring and the driving same clamping portion of clamp on clamping portion Isolated button, the ejector pin pop-up spring, clamp and clamp driving spring are all located in the inner casing, and the button sliding is worn It is located on inner casing.

The utility model further includes substrate, and for the substrate together with bolt injection molding, the bolt penetrates through the base The upper and lower surface of plate, the lower surface of the substrate are equipped with the boss being looped around on the bolt, and the boss is the same as the bolt Together, the position that boss is corresponded on the upper surface of the substrate is equipped with pit, and the bolt is threaded through described recessed for injection molding In hole, the bolt between the wall of the pit be equipped with gap.Pit is set on substrate so that substrate with plug outside Shell injection molding together when plastics inject and be solidificated in pit, thus play the role of improve bonding strength.It is right on substrate Answer the position of pit that the boss that the bolt is fixed is set, so that being not necessarily to increase the thickness of substrate after setting pit It is also possible that substrate is reliably connected together with the bolt.

Preferably, the bolt is flat structure, the upper end of the bolt is equipped with thin segment, the thin-walled Step is formed between section and the bolt, the step is located in the pit, and the upper end of the thin segment is formed for electricity What source line was attached embraces piece.It can either to easily form on bolt and embrace piece, and can be improved using the step formed Substrate is the same as the connection reliability between shell.Power supply line is to be embraced piece bending to hold tightly and link together with the bolt when use 's.

The utility model have an advantage that power supply line can be reliably fixed and prevent power supply line generate displacement and It is exposed.

Detailed description of the invention

Fig. 1 is this practical schematic diagram.

Fig. 2 is the schematic top plan view removed after plug separating mechanism.

Fig. 3 is the figure of the utility model.

Fig. 4 is A-A schematic cross-sectional view of Fig. 3.

In figure: inner casing 11, shell bottom 111,113, second buckle 114 of the buckle of cap 112, first, third buckle the 115, the 4th Buckle 116, raised 117, first clamping joint 118, the second clamping joint 119, button 13, N polar conductor bayonet 14, L polar conductor bayonet 15, E polar conductor bayonet 16, bolt 2, the pole the L pole bolt 2-1, N pole bolt 2-2, E bolt 2-3, thin segment 21, step 22, armful piece 23, substrate 3, boss 31, pit 32, via hole 33, the first blocked hole 34, second connect hole 35, gap 36.

Specific embodiment

The utility model is further described with embodiment with reference to the accompanying drawing.

Referring to figure 1, figure 2 and figure 3, a kind of three poles are molded spring plug structure for arranging wires, including plug separating mechanism and three Bolt 2.Plug separating mechanism includes inner casing 11, ejector pin, ejector pin control mechanism and ejector pin is driven to stretch out plug from side where bolt The ejector pin of shell pops up spring, and ejector pin control mechanism includes the clamping portion for being set to ejector pin, with clamping portion cooperation keeps ejector pin Clamp, the driving clamp of contraction state snap into clamp driving spring on clamping portion and driving clamp with shackle portion from by Button 13.Ejector pin pop-up spring, clamp and clamp driving spring are all located in inner casing.Button sliding is threaded through on inner casing.Ejector pin can It is telescopically threaded through on inner casing up and down.Three root cutting pins positions are in the lower section of the inner casing.Bolt is flat structure.Three root cutting pins 2 divide It Wei not the pole the L pole bolt 2-1, N pole bolt 2-2 and E bolt 2-3.The above are existing structure, a kind of structure of plug separating mechanism and Action process is the same disclosed in the patent document in background technique.

The improvement of the present embodiment are as follows: the pole the L bolt and pole N bolt is located at the side of inner casing, the pole E bolt is located at the inner casing The other side.Bolt injection molded is on the substrate 3.The upper and lower surface of bolt through substrate.The lower surface of substrate is convex equipped with 3 Platform 31.3 boss are looped around correspondingly on 3 root cutting pins.The upper surface of substrate is equipped with 3 pits 32.3 pits and 3 A boss is aligned correspondingly.Substrate is equipped with the via hole 33 passed through for the ejector pin of plug separating mechanism.Substrate is equipped with the One blocked hole 34 and second connects hole 35.3 root cutting pins are threaded through correspondingly in 3 pits.The bolt with pit wall it Between be equipped with gap 36.

The upper end of bolt is equipped with thin segment 21.Step 22 is formed between thin segment and the bolt.Step is located in pit. The upper end of thin segment, which is formed, embraces piece 23.Power supply line clamps two by embracing piece and leads with the bolt realization that links together when assembly Electricity.

The side of inner casing is equipped with N polar conductor bayonet 14 and L polar conductor bayonet 15, the other side are equipped with E polar conductor bayonet 16.It is interior Shell includes shell bottom 111 and cap 112.Shell bottom and cap pass through first the 113, second buckle 114 of buckle, third buckle 115 and the Four buckles 116 link together.It is equipped with outside inner casing in the protrusion that inner housing inner forms the hole for ejector pin installation and is formed 117.Shell bottom is equipped with the first clamping joint 118 and the second clamping joint 119.Second clamping joint is arranged in protrusion.

There are two E polar conductor bayonets, an E polar conductor bayonet be located at the first clamping joint and third buckle between, another E Polar conductor bayonet is located between the first clamping joint and the 4th buckle.N polar conductor bayonet is located between the first buckle and protrusion.The pole L Conducting wire bayonet is located between protrusion and the second buckle.Glide direction phase of the distribution arrangement of the pole L bolt and the pole N bolt with button Together.

When injection molding, first the power supply line that the same pole L bolt connects is linked together with the pole L bolt, with the electricity of the pole N bolt connection Source line links together with the pole the N power supply line connected with by the same pole E bolt that links together with the pole E bolt.Then by the first card Connector is connected in the first blocked hole and the second clamping joint is connected in the second blocked hole and inner casing and substrate are fixed together. The power supply line power supply line that the same pole L bolt is connected is stuck in L polar conductor bayonet again, connected with the pole N bolt is stuck in N polar conductor It is connected in the guiding bayonet of the pole E in bayonet with the power supply line for connecting the same pole E bolt.The utility model is finally fixed on mold Interior progress injection plug shell.Plastics injection gap and through-hole are interior to play the work for improving connection reliability when injection molding With.

Claims (9)

1. a kind of three poles are molded spring plug structure for arranging wires, inner casing and composition including three root cutting pins and composition plug separating mechanism The ejector pin of plug separating mechanism, the ejector pin are telescopically threaded through on inner casing, and the three root cuttings pins position is under the inner casing Side, the three root cuttings pin is respectively the pole L bolt, the pole N bolt and the pole E bolt, which is characterized in that the pole L bolt and the pole N bolt are located at The side of the inner casing, the pole E bolt are located at the other side of the inner casing, and the side of the inner casing is equipped with N polar conductor bayonet and the pole L Conducting wire bayonet, the other side are equipped with E polar conductor bayonet.

2. three pole according to claim 1 is molded spring plug structure for arranging wires, which is characterized in that the inner casing includes shell Together with bottom and cap, the shell bottom and cap are snapped connection by least three, three bayonets are the first buckle, second Buckle and third buckle, the inner casing outside are equipped in the protrusion that inner housing inner forms the hole for ejector pin installation and is formed, institute N polar conductor bayonet is stated between the first buckle and protrusion, the L polar conductor bayonet is located between protrusion and the second buckle, institute It states third buckle and E polar conductor bayonet is located at the same side of inner casing.

3. three pole according to claim 2 is molded spring plug structure for arranging wires, which is characterized in that further include plastic construction Substrate, together with the bolt and substrate injection form, the substrate is equipped with the first blocked hole and the second blocked hole, described Inner casing is equipped with the first clamping joint and the second clamping joint, and the first clamping joint is connected in the first blocked hole and the clamping of the second clamping joint Inner casing and substrate are fixed together in the second blocked hole, the E polar conductor bayonet is located at first clamping joint and Between three buckles.

4. three pole according to claim 3 is molded spring plug structure for arranging wires, which is characterized in that the shell bottom and cap It is also snapped connection together by the 4th, there are two the E polar conductor bayonets, and an E polar conductor bayonet is located at the first clamping joint Third buckle between, another E polar conductor bayonet be located at the first clamping joint and the 4th buckle between.

5. three pole according to claim 3 is molded spring plug structure for arranging wires, which is characterized in that first clamping joint It is all located on the shell bottom with the second clamping joint.

6. three pole according to claim 1 is molded spring plug structure for arranging wires, which is characterized in that the plug seperator Structure further includes the button that is threaded through on the inner casing of sliding, the glide direction of the distribution arrangement of the pole L bolt and the pole N bolt with button It is identical.

7. three pole according to claim 1 is molded spring plug structure for arranging wires, which is characterized in that the plug seperator Structure further includes the ejector pin pop-up spring that ejector pin control mechanism and driving ejector pin stretch out plug body from side where bolt, the ejector pin Control mechanism include the clamping portion for being set to ejector pin, with clamping portion cooperation so that ejector pin is maintained at the clamp of contraction state, driving card Head snap into clamp driving spring on clamping portion and driving clamp with shackle portion from button, the ejector pin pop-up spring, card Head and clamp driving spring are all located in the inner casing, and the button sliding is threaded through on inner casing.

8. three pole according to claim 1 is molded spring plug structure for arranging wires, which is characterized in that it further include substrate, institute Substrate is stated together with bolt injection molding, the bolt penetrates through the upper and lower surface of the substrate, on the lower surface of the substrate Equipped with the boss being looped around on bolt, the boss together, corresponds to convex with bolt injection molding on the upper surface of the substrate The position of platform is equipped with pit, and the bolt is threaded through in the pit, and the bolt is the same as being equipped with gap between the wall of the pit.

9. three pole according to claim 8 is molded spring plug structure for arranging wires, which is characterized in that the bolt is flat knot The upper end of structure, the bolt is equipped with thin segment, step is formed between the thin segment and bolt, the step is located at the pit Interior, the upper end of the thin segment, which is formed, embraces piece for what same power supply line was attached.