CN213584320U

CN213584320U - Male head structure and connector

Info

Publication number: CN213584320U
Application number: CN202022808619.9U
Authority: CN
Inventors: 孙立文
Original assignee: Dongguan Yili Precision Manufacturing Co ltd
Current assignee: Dongguan Yili Precision Manufacturing Co ltd
Priority date: 2020-11-27
Filing date: 2020-11-27
Publication date: 2021-06-29
Anticipated expiration: 2030-11-27

Abstract

The utility model belongs to the technical field of connectors, in particular to a male head structure and a connector; the male head structure comprises a male head, a rotary sleeve sleeved on a connecting threaded sleeve of the male head, and a supporting piece fixedly connected with a shell of the male head, wherein a wiring hole is formed in the supporting piece; the connector comprises a female head structure and a male head structure. The rotary sleeve drives the connecting threaded sleeve to rotate, so that the connecting threaded sleeve is connected with the female head, and the rotary sleeve can only rotate towards one direction due to the fact that the one-way check mechanism is formed after the barrel limiting structure is clamped with the supporting limiting structure, and can prevent reverse rotation after being screwed down, so that the problem that an existing connector is easy to loosen is solved, the testing accuracy can be improved, and the retest can be avoided, and the cost is reduced.

Description

Male head structure and connector

Technical Field

The utility model belongs to the technical field of the connector, especially, relate to a public first structure and connector.

Background

Connectors (e.g., SMA radio frequency connectors) are an essential functional component for electronic products (e.g., VR devices, mobile phones, tablet computers, notebook computers, etc.) to communicate during testing. In the using process, the outer conductor braid layer of the wire rod fixed with the male head of the connector is easy to generate reverse rotation due to mechanical vibration, the connector is easy to loosen, the phenomena of unstable test value, high-frequency packet loss and the like are caused, and the retest rate is increased to cause cost increase.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a public first structure and connector aims at solving the easy not hard up problem of current connector, can improve the test accuracy, thereby can avoid retesting reduce cost moreover.

The utility model discloses a public first structure, public first structure includes public head, cover and establishes rotatory cover on the connection swivel nut of public head and with public first casing fixed connection's support piece correspond on the support piece casing department is equipped with walks the line hole, still is in including setting up the swivel sleeve is close to barrel limit structure on the tip of support piece one side, correspond the setting and are in support limit structure on the support piece, barrel limit structure with form one-way backstop mechanism behind the support limit structure block.

As an improvement, the barrel limiting structure comprises a plurality of limiting teeth, and the limiting teeth are arranged on the end part of the rotating sleeve at intervals along the circumferential direction of the rotating sleeve; the supporting and limiting structure is a locking piece arranged on the supporting piece, and the locking piece can be inserted between two adjacent limiting teeth.

As an improvement, the limit teeth are ratchet teeth, the locking member is a pawl rotatably mounted on the support member, and an elastic member for inserting the pawl between two adjacent ratchet teeth is arranged on the support member corresponding to the pawl.

As an improvement, a limiting block fixed on the supporting piece is arranged on one side, away from the ratchet, of the pawl.

As an improvement, the locking piece is an elastic plate, an included angle is formed between the arrangement direction of the elastic plate and the radial direction of the rotary sleeve, one end, far away from the rotary sleeve, of the elastic plate is fixed on the supporting piece, and one end, close to the rotary sleeve, of the elastic plate is inserted between the two adjacent limiting teeth.

As a refinement, notches are provided at opposite sides of the support member, respectively.

As an improvement, a plurality of circumferentially spaced pulling teeth are provided on an outer peripheral side of the rotary sleeve, and each of the plurality of pulling teeth extends in an axial direction of the rotary sleeve.

As an improvement, the rotary sleeve is in sliding connection with the connecting threaded sleeve along the axial direction.

As an improvement, the support piece is of a split structure and comprises a first support part and a second support part, wherein the first support part is close to one side of the second support part and is provided with a first notch, the second support part is provided with a second notch corresponding to the first notch, the first notch and the second notch are encircled to form the wiring hole, and fasteners connected between the first support part and the second support part are arranged at two opposite sides of the wiring hole respectively.

The utility model discloses a connector, connector include female head public first structure.

Due to the adoption of the technical scheme, the male head structure of the utility model comprises a male head, a rotary sleeve sleeved on the connecting screw sleeve of the male head, and a support piece fixedly connected with the shell of the male head, wherein a wiring hole is arranged on the support piece corresponding to the shell, and the male head structure also comprises a cylinder limiting structure arranged on the end part of the rotary sleeve close to one side of the support piece, and a supporting limiting structure correspondingly arranged on the support piece, wherein the cylinder limiting structure and the supporting limiting structure are clamped to form a one-way check mechanism; the connector comprises a female head structure and a male head structure. During the use, rotate the swivel nut and drive the connection swivel nut of public head through the swivel nut and rotate, make the connection swivel nut of public head link together with female head, because barrel limit structure forms one-way backstop mechanism after supporting the limit structure block, the swivel nut can only move towards a direction and rotate, can prevent the antiport after screwing up, the utility model discloses an easy not hard up problem of current connector has been solved to public head structure and connector, can improve the test accuracy, thereby can avoid retesting reduce cost moreover.

Drawings

FIG. 1 is a schematic cross-sectional view of the male structure of the present invention;

FIG. 2 is a schematic side view of the male structure of the present invention;

fig. 3 is a schematic structural view of another embodiment of the supporting member of the male structure of the present invention;

the wire rod comprises a shell 11, a shell 12, a wire rod 20, a connecting threaded sleeve 30, a rotating sleeve 31, a limiting tooth 32, a poking tooth 33, a groove 40, a supporting piece 41, a limiting block 42, a notch 43, a first supporting part 44, a second supporting part 45, a fastening piece 50 and a locking piece.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Fig. 1 to fig. 3 are the structural schematic diagram of the male head structure of the present invention, wherein, fig. 1 shows the cross-sectional structural schematic diagram of the male head structure of the present invention, fig. 2 shows the side-looking structural schematic diagram of the male head structure of the present invention, fig. 3 shows the structural schematic diagram of another embodiment of the support member of the male head structure of the present invention. For the sake of convenience, only the parts relevant to the present invention are shown in the drawings.

It should be noted that if the present invention relates to a directional indication (for example, up, down, front, back, etc.), the directional indication is only used to explain the relative position relationship between the components in a specific posture, and if the specific posture changes, the directional indication changes accordingly; if reference is made in the present application to the description of "first", "second", etc., then the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying any relative importance or implicit indication of the number of technical features indicated.

For the sake of understanding, the structure and operation of the prior art connector will be described as follows, the connector includes a male head and a female head, the male head includes a housing 11, a connection screw sleeve 20 rotatably mounted on the housing 11, and the female head is provided with an external thread portion for connecting with the connection screw sleeve 20. When the device is installed, the wire 12 is inserted into the housing 11 and fixedly connected with the housing 11, the female head is welded on a PCB or fixed on other devices, the connecting screw sleeve 20 is aligned with the external thread part on the female head, and the male head and the female head are connected together by rotating the connecting screw sleeve 20.

Can know by figure 1 and figure 2, the utility model discloses a can prevent moving pine public first structure, this public first structure includes public head, the cover establish the swivel nut 30 on the connection swivel nut 20 of public head and with public first casing 11 fixed connection's support piece 40, it is equipped with the line hole of walking that supplies wire rod 12 to pass to correspond casing 11 department on support piece 40, still including setting up the barrel limit structure on the tip that the swivel nut 30 is close to support piece 40 one side, the support limit structure on support piece 40 is close to swivel nut 30 one side is set up, this barrel limit structure forms one-way backstop mechanism with after supporting the limit structure block.

Usually, the female head of connector is the welding on the PCB board or fixes on other devices, during the use, rotates swivel nut 30 and drives the connection swivel nut 20 rotation of public head through swivel nut 30, makes the connection swivel nut 20 of public head link together with female head, because barrel limit structure forms one-way contrary mechanism that ends after supporting the limit structure block, swivel nut 30 can only move towards a direction and rotate, can prevent the antiport after screwing up, the utility model discloses a problem that current connector is not hard up easily has been solved to public head structure, can improve the test accuracy, thereby can avoid retesting reduce cost moreover.

In the utility model, the barrel limiting structure comprises a plurality of limiting teeth 31, and the limiting teeth 31 are arranged on the end part of the rotary sleeve 30 at intervals along the circumferential direction of the rotary sleeve 30; the supporting and limiting structure is a locking piece 50 arranged on the supporting piece 40, and the locking piece 50 can be inserted between two adjacent limiting teeth 31.

Specifically, the limit teeth 31 are ratchets; the locking member 50 is a pawl rotatably mounted on the support member 40, and an elastic member (not shown) for inserting the pawl between two adjacent ratchet teeth is provided on the support member 40 at a position corresponding to the pawl, and typically, the elastic member is a torsion spring.

In order to facilitate the installation and avoid the reverse rotation, a limiting block 41 fixed on the support 40 is arranged on the side of the pawl far away from the ratchet, and usually, the limiting block 41 and the support 40 are of an integral structure.

The utility model discloses in, this locking piece 50 can also set up to following form, and this locking piece 50 is the elastic plate, and this elastic plate sets up the direction and is equipped with the contained angle between the radial of rotary sleeve 30 to the one end that the rotary sleeve 30 was kept away from to this elastic plate is fixed on support piece 40, and the one end that this elastic plate is close to rotary sleeve 30 inserts between the two adjacent spacing teeth 31.

The utility model discloses in, be equipped with a plurality of recesses 33 that set up along the circumference interval of swivel sleeve 30 on the tip of swivel sleeve 30, form a spacing tooth 31 between double-phase adjacent recess 33, usually, the periphery side of this spacing tooth 31 and the lateral surface parallel and level of swivel sleeve 30.

In the present invention, in order to facilitate the rotation of the rotary sleeve 30, a plurality of circumferentially spaced apart pulling teeth 32 are provided on the outer circumferential side of the rotary sleeve 30, and the plurality of pulling teeth 32 extend in the axial direction of the rotary sleeve 30; when the male head structure is connected with the female head, the slipping phenomenon generated when the rotating sleeve 30 is rotated is prevented, and the rotating sleeve 30 is convenient to rotate and is connected with the female head.

The utility model discloses in, support piece 40 is the flat board, supports limit structure, stopper 41 setting on dull and stereotyped face. Of course, the support member 40 may be provided in a box shape or the like as needed. The wiring hole is coaxial with the rotary sleeve 30, and the end of the housing 11 is fixedly installed in the wiring hole.

Generally, the locking members 50 are respectively disposed at the opposite axial sides of the rotary sleeve 30, so that the locking effect can be enhanced, and the opposite axial sides of the rotary sleeve 30 are simultaneously subjected to locking force, so that the rotary sleeve is more balanced.

In the present invention, the rotary sleeve 30 is slidably connected to the connection screw sleeve 20 along the axial direction, and the rotary sleeve 30 and the connection screw sleeve 20 can slide axially and cannot rotate relatively.

Specifically, since the connecting screw sleeve 20 is provided with a prism shape, usually a hexagonal prism shape, similar to the shape of the nut, and the shape of the inner hole of the rotary sleeve 30 is matched with the shape of the connecting screw sleeve 20, the rotary sleeve 30 can axially slide and cannot relatively rotate with the connecting screw sleeve 20 after being sleeved on the connecting screw sleeve 20; during the dismantlement, only need stir swivel nut 30 to keeping away from one side of supporting limit structure (i.e. to the direction that is close to female one side), swivel nut 30 can be followed the axial production of connecting swivel nut 20 and slided, and the one-way contrary mechanism that ends that sets up between swivel nut 30 and support piece 40 like this will separate, at this moment, just can reverse rotation swivel nut 30 make the connection swivel nut 20 and the female separation of first public.

Of course, the rotary sleeve 30 may also be fixedly connected to the connecting threaded sleeve 20, at this time, the structure of the supporting member 40 is as shown in fig. 3, the supporting member 40 is a split structure, and includes a first supporting portion 43 and a second supporting portion 44, a first notch is disposed at a side of the first supporting portion 43 close to the second supporting portion 44, a second notch corresponding to the first notch is disposed at a side of the second supporting portion 44 close to the first supporting portion 43, the first notch and the second notch form a wiring hole, and fastening members 45 connected between the first supporting portion 43 and the second supporting portion 44 are respectively disposed at two opposite sides of the wiring hole. Specifically, the first support portion 43 and the second support portion 44 are respectively provided with engaging lugs, and the fastening member 45 is connected between the engaging lugs of the first support portion 43 and the engaging lugs of the second support portion 44, and the fastening member 45 is usually a bolt-nut assembly.

The utility model discloses in, when being connected owing to public first structure and female head, connect swivel nut 20 and be located female head and public support piece 40 of first structure between, punishment do not is equipped with notch 42 in support piece 40's relative both sides, and the operating personnel's of being convenient for hand is stretched and is operated between female head and the support piece 40, makes the convenience more of operation.

The utility model discloses in still relate to a connector, this connector includes female head and above-mentioned public first structure.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a public first structure, its characterized in that establishes including public head, cover establish public connection swivel nut on the connection swivel nut of head and with public first casing fixed connection's support piece correspond on the support piece casing department is equipped with the line hole, still including setting up the swivel nut is close to barrel limit structure on the tip of support piece one side, correspond the setting and be in support limit structure on the support piece, barrel limit structure with support and form one-way arrestment mechanism behind the limit structure block.

2. The male structure of claim 1, wherein the barrel limiting structure comprises a plurality of limiting teeth, and the plurality of limiting teeth are arranged on the end part of the rotary sleeve at intervals along the circumferential direction of the rotary sleeve; the supporting and limiting structure is a locking piece arranged on the supporting piece, and the locking piece can be inserted between two adjacent limiting teeth.

3. The male structure of claim 2, wherein the limit teeth are ratchet teeth, the locking member is a pawl rotatably mounted on the support member, and an elastic member for inserting the pawl between two adjacent ratchet teeth is provided on the support member corresponding to the pawl.

4. The male structure of claim 3, wherein a stop is provided on the side of the pawl remote from the ratchet teeth and secured to the support.

5. The male structure of claim 2, wherein the locking member is an elastic plate, an included angle is formed between the arrangement direction of the elastic plate and the radial direction of the rotating sleeve, one end of the elastic plate far away from the rotating sleeve is fixed on the supporting member, and one end of the elastic plate close to the rotating sleeve is inserted between two adjacent limiting teeth.

6. The male formation of any one of claims 1 to 5, wherein notches are provided at opposite sides of the support member.

7. The male structure of claim 1, wherein a plurality of circumferentially spaced apart teeth are provided on an outer circumferential side of the rotating sleeve, each of the plurality of teeth extending in an axial direction of the rotating sleeve.

8. The male structure of claim 1, wherein the rotating sleeve is slidably connected to the connecting threaded sleeve in an axial direction.

9. The male header structure of claim 1, wherein the supporting member is a split structure and comprises a first supporting portion and a second supporting portion, a first notch is formed in a side of the first supporting portion adjacent to the second supporting portion, a second notch corresponding to the first notch is formed in the second supporting portion, the first notch and the second notch define the wiring hole, and fastening members connected between the first supporting portion and the second supporting portion are respectively arranged on two opposite sides of the wiring hole.

10. A connector comprising a female connector, further comprising a male connector structure according to any one of claims 1 to 9.