CN213959272U

CN213959272U - Device for fixing and screwing movable connecting terminal

Info

Publication number: CN213959272U
Application number: CN202022940528.0U
Authority: CN
Inventors: 徐佳宏; 杨良栋
Original assignee: Shenzhen Ipanel TV Inc
Current assignee: Shenzhen Ipanel TV Inc
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-08-13
Anticipated expiration: 2030-12-10

Abstract

The utility model discloses a fixed swing joint terminal's of screwing device, the device fix swing joint terminal on the shell to design an adjusting gear and rotate swing joint terminal's head, accomplish rotatory operation of screwing up when realizing fixing, more very much, can design a plurality of gears and accomplish the torsion and change or realize the ratchet structure. The utility model discloses the device has when fixed movable connecting terminal, does not influence the advantage of movable connecting terminal installation.

Description

Device for fixing and screwing movable connecting terminal

Technical Field

The utility model belongs to the technical field of the installation and specifically relates to a swing joint terminal's device is fixed and screwed.

Background

The F head is widely used in the field of broadcast television, the F head is distinguished from the British system and the metric system, the domestic standard is the metric system F head, but the English system F head is generally used in the field of satellite. However, whether the male system or the British system is adopted, a male F head and a female F head are distinguished, the male F head refers to an F head with a head part containing a contact pin or capable of being provided with the contact pin from a tail part, an internal thread at the head part and a head part movably connected with the tail part, and the female F head refers to an F head with a front end containing an external thread, a hole for mounting the contact pin is arranged at the axis position, and a clamping device is contained in the F head.

The F head is commonly used in common families, the coaxial line connecting interface on the back of the set top box adopts the F head, and the satellite antenna tuner interface is also the F head. The F interface has simple structure, no locking structure and small volume and fine thread, so that the F interface is easy to loosen and fall off in the using process.

The common solution is that the male head and the female head are sealed together by a sealant, and the tail part of the male head is fixed on the shell, and the two methods can not adjust the tightness and are difficult to disassemble after being fixed.

Disclosure of Invention

The utility model aims at providing a device of swing joint terminal is fixed and screwed solves the problem that influences swing joint terminal's installation when fixed.

In order to solve the above problems, the device of the present invention comprises a first housing, a movable connection terminal, a second housing, a fixed terminal, and at least an adjustment gear; the movable connecting terminal is provided with a head part with threads and capable of rotating and moving and a tail part connected together, the head part of the movable connecting terminal can be screwed to the fixed terminal and is fixed in a cavity enclosed by the two shells through the first shell, and the adjusting gear which is positioned in the cavity and leaks part of gear teeth from a gap of the cavity is driven to the head part of the movable connecting terminal. The movable connecting terminal depends on the first shell to be stable in the cavity, but is not limited to fixed modes such as extrusion fixation, thread fixation, welding fixation and fusion welding fixation, during installation, the movable connecting terminal is in thread butt joint with the fixed terminal, the adjusting gear is rotated to enable the head of the movable connecting terminal to be gradually screwed in, at the moment, the first shell gradually approaches the second shell, and when the movable connecting terminal and the fixed terminal enclose the synthetic cavity, the movable connecting terminal is screwed at the fixed terminal.

Specifically, the movable connecting terminal in the device is an F-head male head, and the fixed terminal is an F-head female head. It should be noted that all movable connection terminals having a head portion rotatably movable and a tail portion connected together and being rotatable with the head portion to the fixed terminal also include at least SMA and TNC male terminals, and other connectors not mentioned, and all connectors satisfying the definition of the movable connection terminal are intended to be included in the scope of protection of the preceding paragraph.

Preferably, the movable connection terminal is fixed to the first housing by welding.

Preferably, the first housing and the second housing are connected by screws or snaps. The existing common shell connecting modes comprise fusion, screw connection, buckle connection, glue adhesion, other connection or combination of multiple connecting modes, and considering the convenience of disassembly, screw fixation, buckle fixation or combination of the two are better connecting and fixing schemes.

As an improvement, in the device, part of gear teeth leaked from the adjusting gear do not protrude out of a surface formed by the outer contour of the opening and the outer periphery of the plane in a surrounding mode, and the adjusting gear is used for preventing mistaken collision. The plane formed by the contact of different positions of the outer contour of the notch and the plane can be a plane or a curved surface. The device described in the second section of this part rubs the partial gear teeth that adjusting gear leaks outward through the finger and screws movable connection terminal on fixed terminal, but after the installation, always produce various collisions or unexpected operations, in order to avoid the gear teeth that leak outward easily to be touched, how much and the shape of opening that adjusting gear leaks outward should be through special design.

As a specific improvement, the adjusting gear is directly connected with the head of the movable connecting terminal through an inner hole of the adjusting gear. An inner hole is formed in the adjusting gear, the head of the movable connecting terminal is sleeved with the inner hole, and the head of the movable connecting terminal rotates along with the inner hole when the adjusting gear is rotated.

As another improvement, the device also comprises other gears, and the adjusting gear is connected with the head of the movable connecting terminal through inner holes of the other gears. The adjusting gear does not directly drive the head of the movable connecting terminal to rotate, but is realized through other gears, and the matching of a plurality of gears can design the speed ratio and realize larger torque force or more functions.

Specifically, on the basis of any one of the improvements of the upper section or the upper section, a chamfer is arranged on the edge of an inner hole of the gear connected with the head of the movable connecting terminal, and the end face connected with the chamfer is closer to the tail end of the tail of the movable connecting terminal than the other end face. The chamfer is arranged to facilitate the sleeving of the inner hole of the gear with the head of the movable connecting terminal, so that the end surface adjacent to the chamfer is closer to the tail end after the sleeving.

Specifically, on the basis that the adjusting gear is connected with the movable connecting terminal through other gears, at least one of the gears is a ratchet wheel. Through the ratchet structure design, the function that the head of the movable connecting terminal only allows one-way rotation can be realized.

More specifically, on the basis of last section, with the terminal surface position fretwork of adjusting gear and set up a pinion in the fretwork position, two gear inner meshes. The mode of meshing the ratchet wheels in the two gears is adopted, and the axes of the two gears are overlapped or close to each other.

More specifically, on the basis of the upper section, the force generated when the adjusting gear rotates only in one direction is transmitted to the movable connecting terminal, so that the head of the movable connecting terminal is screwed to the fixed terminal or tends to be screwed. In a simple way, the head of the movable connecting terminal can only be screwed on the fixed terminal by rotating the adjusting gear, but not unscrewed, and the design is commonly called anti-loosening design.

Figures and description

FIG. 1 is a schematic diagram of the basic components of the apparatus;

FIG. 2 is a schematic view of the corresponding mounting positions of the first housing, the adjusting gear and the movable connecting terminal;

FIG. 3 is a schematic view of a movable connection terminal;

FIG. 4 is a schematic view of the connection of the first housing and the movable connection terminal;

FIG. 5 is a schematic view of the connection between the second housing and the first housing;

FIG. 6 is a schematic view of the relationship between the teeth and the plane surface of the regulating gear leaking from the outer contour of the notch when the notch collides with the plane surface;

FIG. 7 is a schematic view of the inner bore being positioned on the adjustment gear;

FIG. 8 is a schematic view of a chamfer provided on the bore;

FIG. 9 is a schematic view of the relationship between the adjustment gear and the pinion in the hollow position of the adjustment gear;

fig. 10 is a detailed composition schematic of the apparatus.

In the figure, 1 is a movable connecting terminal, 1-1 is the head of the movable connecting terminal, 1-2 is the tail of the movable connecting terminal, 1-2-1 is the tail end of the tail of the movable connecting terminal, 2 is a first shell, 2-1 is the corresponding mounting position of the movable connecting terminal on the first shell, 3 is an adjusting gear, 6 is an inner hole, 6-1 is an inner hole chamfer, 4 is a second shell, 4-1 is a screw column, 4-2 is a buckle, 5 is a pinion engaged with the adjusting gear, 7 is a notch, and 8 is a fixed terminal.

Detailed Description

The invention will be further explained with reference to the drawings and the specific embodiments.

As shown in fig. 1 and 2, the device of the present invention comprises a first housing 2, a movable connection terminal 1, a second housing 4, a fixed terminal 8, and at least an adjustment gear 3; the movable connecting terminal 1 is provided with a head part 1-1 which is provided with threads and can rotate and move and a tail part 1-2 which is connected together, the head part 1-1 of the movable connecting terminal 1 can be screwed on the fixed terminal 8 and is firmly fixed in a cavity which is formed by two shells in a surrounding way through the first shell 2, and the adjusting gear 3 which is positioned in the cavity and leaks part of gear teeth from a gap 7 of the cavity is transmitted to the head part 1-1 of the movable connecting terminal. The movable connecting terminal 1 is firmly fixed in the cavity by means of the first shell 2, but is not limited to fixed modes such as extrusion fixation, thread fixation, welding fixation and fusion fixation, during installation, the movable connecting terminal 1 is in thread butt joint with the fixed terminal 8, the adjusting gear 3 is rotated to enable the head 1-1 of the movable connecting terminal to be gradually screwed in, at the moment, the first shell 2 gradually approaches the second shell 4, and when the two enclose the cavity, the movable connecting terminal 1 is screwed in the fixed terminal 8 at the same time.

Specifically, as shown in fig. 3, the movable connecting terminal 1 in the device is an F-head male terminal, and the fixed terminal is an F-head female terminal. It should be noted that all movable connection terminals having a threaded, rotatably movable head portion 1-1 and a tail portion 1-2 connected together and being able to be screwed to the fixed terminal 8 by the head portion 1-1 also include at least SMA and TNC male terminals, as well as other connectors not mentioned, and all connectors satisfying the description of the movable connection terminal 1 are intended to be included in the scope of protection of the preceding paragraph.

Preferably, the movable connection terminal is fixed to the first housing by welding. As shown in fig. 4, the tail end 1-2-1 of the movable connection terminal is welded to the first housing 2.

Preferably, the first housing and the second housing are connected by screws or snaps. As shown in fig. 5, a screw post 4-1 and a snap 4-2 are provided on the second housing 4. The existing common shell connecting modes comprise fusion, screw connection, buckle connection, glue adhesion, other connection or combination of multiple connecting modes, and considering the convenience of disassembly, screw fixation, buckle fixation or combination of the two are better connecting and fixing schemes. It should be understood that although fig. 5 employs both screw and snap connections, it is within the scope of the present disclosure to employ either connection.

As an improvement, in the device, part of gear teeth leaked from the adjusting gear do not protrude out of a surface formed by the outer contour of the opening and the outer periphery of the plane in a surrounding mode, and the adjusting gear is used for preventing mistaken collision. The device described in the second section of this part rubs the partial gear teeth that adjusting gear leaks outward through the finger and screws movable connection terminal on fixed terminal, but after the installation, always produce various collisions or unexpected operations, in order to avoid the gear teeth that leak outward easily to be touched, how much and the shape of opening that adjusting gear leaks outward should be through special design. As shown in fig. 6, when the notch 7 accidentally collides with the plane, some of the gear teeth leaking from the adjusting gear 3 do not contact with the plane, thereby protecting the plane to some extent.

As a specific improvement, as shown in figure 7, the regulating gear 3 is directly connected with the head 1-1 of the movable connecting terminal through an inner hole 6. An inner hole 6 is arranged on the adjusting gear 3, the head part 1-1 of the movable connecting terminal is sleeved by the inner hole 6, and the head part 1-1 of the movable connecting terminal rotates along with the rotation of the adjusting gear 3.

Specifically, as shown in fig. 8, on the basis of any one of the improvements of the upper section or the upper section, a chamfer 6-1 is arranged at the edge of the inner hole 6 of the gear connected with the head part 1-1 of the movable connecting terminal, and the end surface connected with the chamfer 6-1 is closer to the tail end 1-2-1 of the movable connecting terminal than the other end surface. Here, the chamfer 6-1 is provided for the purpose of facilitating the female bore 6 of the gear to be fitted with the head portion 1-1 of the movable connection terminal so that the end surface adjacent to the chamfer 6-1 after fitting is closer to the tail end 1-2-1. The end face is a proper term, and refers to a face where the gear does not participate in work, namely two planes perpendicular to the axis, the face where the gear is placed on the ground is the end face, and the other face is the end face.

More specifically, on the basis of the above paragraph, as shown in fig. 9, the end surface of the adjusting gear 3 is hollowed out, and a pinion 5 is provided at the hollowed-out position, and the two gears mesh with each other. By adopting the mode of an internal engagement ratchet wheel, the axes of the two gears are superposed or close to each other, and the gear structure has the remarkable advantage that the space can be effectively saved while the ratchet structure is realized.

More specifically, on the basis of the upper section, the force generated when the adjusting gear rotates only in one direction is transmitted to the movable connecting terminal, so that the head of the movable connecting terminal is screwed to the fixed terminal or tends to be screwed. That is, by using the ratchet structure, the head of the movable connecting terminal can only be screwed on the fixed terminal by rotating the adjusting gear, but not loosened, and the design is the anti-loosening design.

Fig. 10 shows a detailed overall composition diagram of the device, and fig. 10 shows a ratchet structure in an internal engagement manner, which is the same as fig. 9, and the ratchet structure is not shown in detail, and in fact, the device can also be a ratchet structure realized in an external engagement manner or other engagement manners, whatever ratchet structure is adopted, and the invention is within the protection scope of the invention.

Claims

1. A device for fixing and screwing a movable connecting terminal is characterized by comprising a first shell, the movable connecting terminal, a second shell and a fixed terminal, and at least comprising an adjusting gear; the movable connecting terminal is provided with a head part with threads and capable of rotating and moving and a tail part connected together, the head part of the movable connecting terminal can be screwed to the fixed terminal and is fixed in a cavity enclosed by the two shells through the first shell, and the adjusting gear which is positioned in the cavity and leaks part of gear teeth from a gap of the cavity is driven to the head part of the movable connecting terminal.

2. A device for securing and tightening a movable connection terminal as claimed in claim 1, wherein said movable connection terminal is an F-headed male terminal and said fixed terminal is an F-headed female terminal.

3. A device for fixing and tightening a movable connection terminal according to claim 1, wherein the movable connection terminal is fixed to the first housing by welding.

4. A device for fixing and tightening a movable connection terminal according to claim 1, wherein said first housing and said second housing are connected by a screw or a snap.

5. A device for securing and tightening a movable connection terminal according to claim 1, wherein the part of the teeth of the adjusting gear that leaks out does not protrude from the surface defined by the outer contour of the opening and the outer periphery of the flat surface, and is adapted to prevent accidental contact.

6. A device for fastening and tightening a movable connection terminal as claimed in claim 1, wherein said adjustment gear is directly connected to the head of said movable connection terminal through its inner hole.

7. A device for fastening and tightening a movable connection terminal according to claim 1, further comprising another gear, wherein the adjusting gear is connected to the head of the movable connection terminal through an inner hole of the other gear.

8. A device for fixing and tightening a movable connection terminal according to claim 6 or 7, wherein a chamfer is provided at an edge of the inner hole of the gear, and an end face which is connected to the chamfer is closer to a tail end of the movable connection terminal than the other end face.

9. A device for securing and tightening a moveable connection terminal as claimed in claim 7, wherein at least one of said gears is a ratchet.

10. A device for fastening and tightening a movable connection terminal according to claim 9, wherein the end face of the adjusting gear is hollowed out and a pinion is provided at the hollowed-out position, and the two gears mesh with each other.

11. A device for fastening and tightening a movable contact terminal according to claim 9, wherein the force generated when the adjustment gear is rotated in only one direction is transmitted to the movable contact terminal so that the head portion thereof is tightened to the fixed contact terminal or tends to be tightened.