CN213401603U - Straight needle type low-voltage wire harness plug - Google Patents

Abstract

The utility model belongs to the technical field of the automotive equipment technique and specifically relates to a straight needle formula low pressure pencil plug, be connected the wire that sets up including casing, contact pilotage and with contact pilotage one end, be provided with fixed passage in the casing, fixed passage is used for holding and the link of fixed contact pilotage and wire, and contact pilotage and wire in the fixed passage are in same straight line, and the surface of casing is provided with fixed buckle. The joint of the contact pin and the lead is wrapped and fixed by the shell, so that the contact pin and the lead have the advantages of good connection effect and difficulty in loosening caused by vibration and extrusion; meanwhile, the plug can be fastened to the socket through the fixing buckle on the plug, and the socket has the advantage of good fixing effect between the plug and the socket.

Description

Straight needle type low-voltage wire harness plug

Technical Field

The utility model belongs to the technical field of the automotive equipment, a straight needle formula low pressure pencil plug particularly.

Background

The existing automobile low-voltage wiring harness assembly is connected by adopting the connecting plug-in units and is fixed by the plastic clamping tenon between the connecting plug-in units, after the assembly is used for a long time, the plastic reduces the fixing strength between the connecting plug-in units due to aging, and in the automobile driving process, the wiring harness is easily loosened due to the influence of extrusion and vibration, so that the normal use and the driving safety of electric elements in an automobile are influenced.

To the above-mentioned problem, through the retrieval, chinese utility model patent: the utility model provides a new energy automobile low pressure pencil assembly (application number is 201921210993.X, and application date is 2019.7.30), this application discloses a new energy automobile low pressure pencil assembly, including the low pressure pencil, the wire distributing disc has been cup jointed in the outer wall left side of low pressure pencil, the left side of wire distributing disc is provided with the plug, the right side of low pressure pencil is provided with the socket, plug in one of them pencil assembly is pegged graft with the inner chamber adaptation of interpolation seat in another pencil assembly, both ends all are provided with the rectangular plate about the right side of plug, the rectangular plate left end outside all is provided with the rectangular rod along left right direction, the inboard left end of rectangular rod is seted up flutedly, the outer wall left end inner chamber that runs through the through-hole, the inner wall of through-hole and the inner chamber joint of recess, the top of through-hole is provided with fixing mechanism. This new energy automobile low pressure pencil assembly can avoid long-time the use after, and plastics are ageing to lead to the fact that the fixed strength reduces between the allies oneself with the plug-in components and takes place not hard up to influence the normal use of interior electrical component of car, improve the vehicle security of traveling, the practicality is strong.

However, the disadvantages of this application are: the plug of low pressure pencil when fixed with the socket operation complicated, and because the volume of the plug of low pressure pencil and socket is less, high to the required precision of mounting for this application still has the mounting ageing to lead to taking place between the plug of low pressure pencil and the socket not hard up in the use, influences the normal use of interior electrical component of car.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved by the utility model

The utility model aims to solve the problem that is not hard up easily between plug and the socket of current car low pressure pencil assembly.

2. Technical scheme

In order to achieve the above purpose, the utility model provides a technical scheme does: a straight-pin type low-voltage wiring harness plug comprises a shell, a contact pin and a lead connected with one end of the contact pin, wherein a fixing channel is arranged in the shell and used for accommodating and fixing the connecting end of the contact pin and the lead, and the contact pin and the lead in the fixing channel are in the same straight line; the surface of the shell is provided with a fixing buckle.

Preferably, the fixing channel includes a contact pin fixing section for receiving the contact pin and a lead fixing section for fixing the lead.

Preferably, a clamping groove is formed between the contact pin fixing section and the lead fixing section, a fixing protrusion is arranged at one end, close to the lead, of the contact pin, the fixing protrusion is matched with the clamping groove, and one section, fixed in the shell, of the contact pin is provided with a Z-shaped bend.

Preferably, the housing includes a support tube communicating with the contact pin fixing section, the support tube is used for fixing the contact pin, and an annular groove is formed on the outer wall of the support tube near the contact pin fixing section and the surface of the housing.

Preferably, the fixing buckle is fixed on the surface of the shell, a cut-in surface is arranged on one side, away from the fixing side, of the fixing buckle, and a fixing hole is formed in the middle of the fixing buckle in a penetrating mode.

3. Advantageous effects

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

the utility model discloses a straight needle formula low pressure pencil plug includes casing, contact pilotage and is connected the wire that sets up with contact pilotage one end, is provided with fixed passage in the casing, and fixed passage is used for holding and the link of fixed contact pilotage and wire, and contact pilotage in the fixed passage is in with the wire on the straight line, and the surface of casing is provided with fixed buckle. The joint of the contact pin and the lead is wrapped and fixed by the shell, so that the contact pin and the lead have the advantages of good connection effect and difficulty in loosening caused by vibration and extrusion; meanwhile, the plug can be fastened to the socket through the fixing buckle on the plug, and the socket has the advantage of good fixing effect between the plug and the socket.

Drawings

Fig. 1 is a side sectional view of the present invention;

fig. 2 is a front sectional view of the present invention;

fig. 3 is a sectional view of the housing of the present invention.

The reference numerals in the schematic drawings illustrate:

100. a housing; 110. supporting a tube; 120. an annular groove; 130. a fixed channel; 131. a stylus fixing section; 132. a clamping groove; 133. a wire fixing section; 140. fixing the buckle; 141. cutting into the surface; 142. a fixing hole; 300. a stylus; 310. a fixed protrusion; 400. and (4) conducting wires.

Detailed Description

In order to facilitate understanding of the invention, the invention will be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the invention are shown, but which can be embodied in many different forms and are not limited to the embodiments described herein, but which are provided so as to render the disclosure of the invention more thorough and complete.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present; when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present; the terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs; the terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention; as used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

Example 1

Referring to fig. 1 to fig. 3, the present embodiment provides a technical solution: a straight pin type low voltage wire harness plug comprises a housing 100, a contact pin 300 and a lead 400 connected with one end of the contact pin 300, wherein a fixing channel 130 is arranged in the housing 100, the fixing channel 130 is used for accommodating and fixing a connecting end of the contact pin 300 and the lead 400, the fixing channel 130 accommodates the connecting end of the contact pin 300 and the lead 400 in the housing 100, so that the connecting end of the contact pin 300 and the lead 400 is not easily squeezed or vibrated outside the housing 100 to cause the loosening of the connecting end, thereby causing the disconnection between the contact pin 300 and the lead 400 and influencing the normal use of the plug, and the lead 400 and the contact pin 300 in the fixing channel 130 are in the same straight line, so that when the contact pin 300 or the lead 400 is pulled, the connecting end of the contact pin 300 and the lead 400 can perform small-amplitude deflection in the fixing channel 130, the connection end of the contact pin 300 and the lead 400 is not easy to be broken due to pulling, so that the normal work of the wiring harness plug is not influenced; the surface of the housing 100 is provided with a fixing buckle 140, the fixing buckle 140 is used for fastening the housing 100 to a socket, when a wiring harness plug is inserted into the socket, the fixing buckle 140 fastens the housing 100 of the wiring harness plug to the socket under the fixing action of the fixing buckle 140, and when the wiring harness plug is severely vibrated or extruded, the wiring harness plug can be prevented from falling off from the socket, and the normal use of electric elements in a vehicle can be prevented from being influenced.

In a preferred embodiment, the fixing channel 130 includes a contact pin fixing section 131 and a wire fixing section 133, the contact pin fixing section 131 is used for accommodating the contact pin 300, and the contact pin fixing section 131 also has a certain fixing effect on the contact pin 300, so that the contact pin 300 is prevented from loosening in the fixing channel 130; the lead fixing section 133 is used for fixing the lead 400, and the lead fixing section 133 and the lead 400 are sealed and fixed by an adhesive, so that the lead 400 is stably fixed in the fixing channel 130 of the casing 100, and meanwhile, rainwater can be prevented from permeating through a gap between the lead 400 and the lead fixing section 133 to cause potential safety hazards.

In a preferred embodiment, a clamping groove 132 is provided between the contact pin fixing section 131 and the lead fixing section 133, a fixing protrusion 310 is provided at one end of the contact pin 300 close to the lead 400, and the fixing protrusion 310 and the clamping groove 132 are cooperatively arranged, so that the contact pin 300 cannot slide in the fixing channel 130, and the contact pin 300 is prevented from pulling the connection end of the contact pin 300 and the lead 400 when sliding, thereby preventing the contact pin 300 and the lead 400 from being disconnected from each other and affecting the normal use of the wire harness plug, and a section of the contact pin 300 fixed to the housing 100 is provided with a Z-shaped bend, so that the contact pin 300 is not easy to slide in the contact pin fixing section 131.

In a preferred embodiment, the housing 100 includes a support tube 110 in communication with the contact pin fixing section 131, the support tube 110 is used for fixing the contact pin 300, and the support tube 110 serves to strengthen the fixation of the contact pin 300, so that the contact pin 300 is not easily deformed when being subjected to vibration and compression, and the contact pin 300 is prevented from loosening. An annular groove 120 is formed on the outer wall of the support tube 110, which is close to one section of the contact pin fixing section 131, and the surface of the shell 100, and the annular groove 120 is fixed with the socket in a clamping manner, so that when the support tube 110 is inserted into the socket, the annular groove 120 plays a role in limiting and fixing, and meanwhile, when the annular groove 120 is clamped with the socket, a certain waterproof effect is achieved, so that rainwater is prevented from permeating, and potential safety hazards are avoided.

In a preferred embodiment, the fixing buckle 140 is fixed on the surface of the housing 100, a cut-in surface 141 is disposed on a side of the fixing buckle 140 away from the fixing side, the cut-in surface 141 and the upper surface of the fixing buckle 140 form an acute angle, which is beneficial for the fixing buckle 140 to be fastened with a socket, and a fixing hole 142 is disposed in the middle of the fixing buckle 140 in a penetrating manner.

The above-mentioned embodiments only express a certain implementation manner of the present invention, and the description thereof is specific and detailed, but not construed as limiting the scope of the present invention; it should be noted that, for those skilled in the art, without departing from the concept of the present invention, several variations and modifications can be made, which all fall within the protection scope of the present invention; therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (5)

1. The utility model provides a straight needle formula low pressure pencil plug which characterized in that: the contact pin fixing structure comprises a shell (100), a contact pin (300) and a lead (400) connected with one end of the contact pin (300), wherein a fixing channel (130) is arranged in the shell (100), the fixing channel (130) is used for accommodating and fixing the connecting end of the contact pin (300) and the lead (400), and the lead (400) in the fixing channel (130) and the contact pin (300) are in the same straight line; the surface of the shell (100) is provided with a fixing buckle (140).

2. A straight pin low voltage wiring harness plug as claimed in claim 1 wherein: the fixing channel (130) comprises a contact pin fixing section (131) and a lead fixing section (133), wherein the contact pin fixing section (131) is used for accommodating the contact pin (300), and the lead fixing section (133) is used for fixing the lead (400).

3. A straight pin low voltage wiring harness plug as claimed in claim 2 wherein: be provided with between contact pin fixed segment (131) and the wire fixed segment (133) block groove (132), contact pin (300) are close to the one end of wire (400) is provided with fixed arch (310), just fixed arch (310) with block groove (132) cooperation sets up, contact pin (300) are fixed in one section in casing (100) is provided with the Z and buckles.

4. A straight pin low voltage wiring harness plug as claimed in claim 2 wherein: the housing (100) comprises a support pipe (110) communicated with the contact pin fixing section (131), the support pipe (110) is used for fixing the contact pin (300), and an annular groove (120) is formed on the outer wall of one section, close to the contact pin fixing section (131), of the support pipe (110) and the surface of the housing (100).

5. A straight pin low voltage wiring harness plug as claimed in claim 1 wherein: the fixing buckle (140) is fixed on the surface of the shell (100), a cut-in surface (141) is arranged on one side, away from the fixing side, of the fixing buckle (140), and a fixing hole (142) is arranged in the middle of the fixing buckle (140) in a penetrating mode.

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