CN209786297U

CN209786297U - Anti-loosening SMA head

Info

Publication number: CN209786297U
Application number: CN201920579598.2U
Authority: CN
Inventors: 吴亮
Original assignee: Shenzhen Zhisheng Technology Co Ltd
Current assignee: Shenzhen Zhisheng Technology Co Ltd
Priority date: 2019-04-26
Filing date: 2019-04-26
Publication date: 2019-12-13
Anticipated expiration: 2029-04-26

Abstract

The utility model discloses a prevent SMA head that becomes flexible, including connecting column cap and female connection pipe, it can dismantle on one side of the connection column cap and be connected with the female connection pipe, the first one end fixedly connected with spliced pole of spliced pole, the shrinkage pool has been seted up to female connection pipe inner wall, it has the guide post to connect column cap internal weld, guide post sliding surface is connected with the slider, slider one side skin weld has a connecting rod No. one, the fixed column cap of connecting rod one end fixedly connected with, the welding of slider one side has the dog, the stereoplasm spring has all been cup jointed to the dog both sides, the slider opposite side is inlayed and is had the clamp. The utility model discloses a rotate and connect the column cap and make its one end laminate mutually with female connection pipe one end, loosen the clamp plate, the shrinkage pool of seting up with the help of the elasticity of stereoplasm spring makes fixed column cap and female connection inside pipe wall link up mutually to fix the external thread connecting pipe, prevent not hard up phenomenon.

Description

Anti-loosening SMA head

Technical Field

The utility model relates to a connecting device, in particular to prevent not hard up SMA head.

Background

The SMA connector is suitable for application in the microwave field in the frequency range from direct current to 26.5 GHz. Applications range from telecommunications, networking, wireless communication, and detection and measurement instruments. It has the characteristics of wide frequency band, excellent performance, high reliability and long service life.

The existing SMA head interface has two forms, wherein the standard SMA is an external thread and a hole at one end and an internal thread and a needle at the other end; the reversed polarity RP SMA is provided with an external thread and a needle at one end and an internal thread and a hole at the other end, but the reversed polarity RP SMA has the defect that the reversed polarity RP SMA is easy to loosen and causes poor contact of the SMA head, thereby influencing the transmission of signals.

SUMMERY OF THE UTILITY MODEL

A primary object of the utility model is to provide a prevent SMA head that becomes flexible connects the column cap through rotating and makes its one end laminate mutually with female connection pipe one end, loosens the clamp plate, makes the shrinkage pool of fixing the column cap and seting up with the help of the elasticity of stereoplasm spring mutually link up with the female connection inside pipe wall to fix outer thread connection pipe, prevent not hard up phenomenon, can effectively solve the problem in the background art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

The utility model provides a prevent SMA head that becomes flexible, is including connecting column cap and female connection pipe, it can dismantle on one side of the connection column cap and be connected with female connection pipe, the first end fixedly connected with spliced pole of spliced pole, the shrinkage pool has been seted up to female connection pipe inner wall, it has the guide post to connect column cap internal weld, guide post sliding surface is connected with the slider, slider one side skin weld has a connecting rod No. one, the fixed column cap of connecting rod one end fixedly connected with, the welding of slider one side has the dog, the stereoplasm spring has all been cup jointed to the dog both sides, the slider opposite side is inlayed and is had the clamp plate, connecting rod No..

Furthermore, spliced pole one end fixedly connected with external screw thread connecting pipe, external screw thread connecting pipe and the rotatory even that links to each other of internal thread connecting pipe, the inside fixedly connected with contact pin of external screw thread connecting pipe.

Furthermore, the inside fixedly connected with plug socket of internal thread connecting pipe, annular groove has been seted up to internal thread connecting pipe one end.

Furthermore, a connecting rod one end extends to the connection column cap outside, fixed column cap one side bonding has the water inflation stagnant water rubber ring, a word hole has been seted up to water inflation stagnant water rubber ring one side.

Furthermore, the surface of the other side of the pressing plate protrudes out of the outer wall of the connecting column head, and a limiting block is welded on one side of the second connecting rod.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. When a certain gap is reserved between one end of the connecting column head and one end of the internal thread connecting pipe, the pressing plate is pressed, the pressing plate is connected with the sliding block through a second connecting rod, so that the sliding block is pushed to move to one side on the guide column, meanwhile, the sliding block drives the fixed column head to move to one side, then, the connecting column head is rotated to enable one end of the connecting column head to be attached to one end of the internal thread connecting pipe, the pressing plate is loosened, the fixed column head is enabled to be connected with a concave hole formed in the inner wall of the internal thread connecting pipe by means of the elasticity of the hard spring, the external.

2. Thread length through the female connection pipe is slightly longer than the thread length of external screw thread connecting pipe, the one end of being convenient for connect the column cap is laminated mutually with female connection pipe one end, makes the annular groove who meets water inflation stagnant water rubber ring and set up with female connection pipe one end simultaneously link up mutually, when water oozes, meets water inflation stagnant water rubber ring and can be full of all cavities and the clearance of annular groove, produces huge contact pressure simultaneously, thoroughly prevents the seepage, prevents the inside water intake of SMA head.

Drawings

Fig. 1 is the overall structure schematic diagram of the SMA head of the present invention for preventing loosening.

Fig. 2 is a schematic view of a cross-sectional structure of a connection column head of the SMA head of the present invention.

Fig. 3 is a schematic view of the bottom structure of the connection column head of the SMA head of the present invention.

In the figure: 1. connecting the column head; 2. connecting columns; 3. an external thread connecting pipe; 4. inserting a pin; 5. an internal thread connecting pipe; 6. a socket; 7. an annular groove; 8. concave holes; 9. a guide post; 10. a slider; 11. a first connecting rod; 12. fixing the column head; 13. a water-swelling rubber ring expanding when meeting water; 14. a stopper; 15. a hard spring; 16. pressing a plate; 17. a second connecting rod; 18. a limiting block; 19. a straight hole.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-3, a SMA head that prevents not hard up, including connecting column cap 1 and female connection pipe 5, connect 1 one side of column cap and can dismantle and be connected with female connection pipe 5, connect 1 one end fixedly connected with spliced pole 2 of column cap, shrinkage pool 8 has been seted up to female connection pipe 5 inner wall, 1 internal weld of connection column cap has guide post 9, guide post 9 sliding surface connection has slider 10, slider 10 one side skin weld has connecting rod 11 No. one, 11 one end fixedly connected with fixed column cap 12 of connecting rod, slider 10 one side welding has dog 14, dog 14 both sides have all been cup jointed hard spring 15, slider 10 opposite side is inlayed and is had clamp plate 16, 16 one side fixed surface connection of clamp plate has connecting rod 17 No. two.

In this embodiment (as shown in fig. 1 and 2), one end of the connection column head is attached to one end of the internal thread connection pipe by rotating the connection column head, the pressing plate is loosened, and the fixing column head is engaged with the concave hole formed in the inner wall of the internal thread connection pipe by means of the elastic force of the hard spring, so that the external thread connection pipe is fixed, and the phenomenon of looseness is prevented.

Wherein, 2 one end fixedly connected with external screw thread connecting pipe 3 of spliced pole, external screw thread connecting pipe 3 links to each other with internal thread connecting pipe 5 is rotatory, the inside fixedly connected with contact pin 4 of external screw thread connecting pipe 3.

In this embodiment (as shown in fig. 1), information transmission is facilitated.

wherein, the inside fixedly connected with plug socket 6 of internal thread connecting pipe 5, annular groove 7 has been seted up to internal thread connecting pipe 5 one end.

in this embodiment (as shown in fig. 1), the external thread connecting pipe and the internal thread connecting pipe are convenient to butt.

Wherein, connecting rod 11 one end extends to the connection column cap 1 outside, fixed column cap 12 one side adhesion has water inflation stagnant water rubber ring 13, water inflation stagnant water rubber ring 13 one side has seted up a word hole 19.

In this embodiment (as shown in fig. 1 and 3), water is prevented from entering the SMA head, and a good guiding effect is provided for the first connecting rod 11 during movement.

The other side surface of the pressure plate 16 protrudes out of the outer wall of the connecting column head 1, and a limit block 18 is welded on one side of the second connecting rod 17.

In this embodiment (as shown in fig. 2), the pressure plate is prevented from being detached from the connection stud.

When the water-swelling type SMA connector works, the water-swelling type water-stopping rubber ring 13 can fill all cavities and gaps of the annular groove 7 when water seeps, huge contact pressure is generated at the same time to thoroughly prevent seepage and prevent water from entering the SMA connector, when a certain gap is reserved between one end of the connecting column cap 1 and one end of the internal thread connecting pipe 5, the pressing plate 16 is pressed, and the pressing plate 16 is connected with the sliding block 10 through the second connecting rod 17, thereby promote slider 10 and move to one side on guide post 9, slider 10 drives fixed column cap 12 and moves to one side simultaneously, then rotate and connect column cap 1 and make its one end laminate mutually with female connection pipe one end, loosen clamp plate 16, make fixed column cap 12 link up with the shrinkage pool 8 that the inner wall of female connection pipe 5 was seted up with the help of the elasticity of hard spring 15, thereby fix external thread connection pipe 3, prevent not hard up phenomenon, through welding stopper 18 at the bottom both ends of clamp plate 16, make stopper 18 card hold the inner wall of connecting column cap 1, prevent that clamp plate 16 from breaking away from connecting column cap 1, extend to connecting column cap 1 outside through a connecting rod 11, a connecting rod 11 links up with a word hole 19 simultaneously, play fine guide effect when a connecting rod 11 moves.

It should be noted that, the utility model relates to a prevent SMA head that becomes flexible, including connecting column cap 1, spliced pole 2, external thread connecting pipe 3, contact pin 4, female thread connecting pipe 5, socket 6, annular groove 7, shrinkage pool 8, guide post 9, slider 10, connecting rod 11, fixed column cap 12, meet water inflation sealing rubber ring 13, dog 14, hard spring 15, clamp plate 16, connecting rod 17 No. two, stopper 18, a word hole 19, the part is the part that general standard or technical personnel in the field know, its structure and principle all can learn through the technical manual or learn through conventional experimental method for this technical staff.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a prevent SMA head that becomes flexible, is including connecting column cap (1) and female connection pipe (5), it has female connection pipe (5), its characterized in that to dismantle to be connected with in column cap (1) one side: connect column cap (1) one end fixedly connected with spliced pole (2), shrinkage pool (8) have been seted up to female connection pipe (5) inner wall, connect column cap (1) inside weld has guide post (9), guide post (9) sliding surface connection has slider (10), slider (10) one side surface welding has connecting rod (11) No. one, connecting rod (11) one end fixedly connected with fixed column cap (12), slider (10) one side welding has dog (14), dog (14) both sides have all been cup jointed stereoplasm spring (15), slider (10) opposite side is inlayed and is had clamp plate (16), clamp plate (16) one side fixed surface is connected with connecting rod (17) No. two.

2. A looseness prevention SMA head according to claim 1, wherein: spliced pole (2) one end fixedly connected with external screw thread connecting pipe (3), external screw thread connecting pipe (3) and internal screw thread connecting pipe (5) rotatory phase to each other, inside fixedly connected with contact pin (4) of external screw thread connecting pipe (3).

3. A looseness prevention SMA head according to claim 1, wherein: the internal thread connecting pipe (5) is fixedly connected with a plug socket (6), and one end of the internal thread connecting pipe (5) is provided with an annular groove (7).

4. A looseness prevention SMA head according to claim 1, wherein: a connecting rod (11) one end extends to and connects column cap (1) outside, fixed column cap (12) one side adhesion has water inflation stagnant water rubber ring (13), water inflation stagnant water rubber ring (13) one side has been seted up a word hole (19).

5. A looseness prevention SMA head according to claim 1, wherein: the other side surface of the pressure plate (16) protrudes out of the outer wall of the connecting column head (1), and a limiting block (18) is welded on one side of the second connecting rod (17).