CN109267946A

CN109267946A - Screw connector connector

Info

Publication number: CN109267946A
Application number: CN201811092384.9A
Authority: CN
Inventors: 郝俊; 郑春梅; 季瑞; 刘亚; 王保勤; 张松林
Original assignee: Zoucheng Yankuang Taide Industry and Trade Co Ltd
Current assignee: Zoucheng Yankuang Taide Industry and Trade Co Ltd
Priority date: 2018-09-19
Filing date: 2018-09-19
Publication date: 2019-01-25

Abstract

Driver extension bar connector, including coupling and nipple, coupling is connected with nipple by buckle-type, two bayonet disks are arranged in the two sides of the coupling, card slot is opened up in each bayonet disk, the first limited block is arranged in the side of one bayonet disk, the second limited block is arranged in another bayonet disk side opposite with the first limited block, the first limit hole is vertically opened up respectively on two bayonet disks, first limit hole and card slot communicate, nipple is installed in coupling, the outside of nipple is set there are two clamp disk, two clamp disks and two bayonet disks respectively correspond cooperation, the second limit hole is vertically opened up respectively on two clamp disks, spacer pin is installed altogether in second limit hole and the first limit hole, fixture block is arranged in the top of spacer pin, tension spring is set between the lower part of fixture block and the top of bayonet disk.The present invention provides driver extension bar connector, the connector is to the positive working efficiency that conveniently connection procedure is simple and quick, improves when drilling rod connection.

Description

Driver extension bar connector

Technical field

The present invention relates to drilling tool technical fields, specifically driver extension bar connector.

Background technique

During mining drilling well, in order to reach the depth for needing to be drilled into, needs to extend the length of connecting rod, extend connection The length of bar is extended by way of being attached several connecting rods, and the connection type between used drilling rod is big at present It all uses ring flange and is bolted or is threadedly coupled.Ring flange and bolt are attached, and need to install the bolt of border, dismounting Complexity, low efficiency；Constantly rotated additionally, due to drilling rod, make to wear between ring flange and bolt it is more serious, therefore, ring flange and Bolt usually requires periodically to replace together.Although the ordinary couplings structure of threaded connection is simple, centering precision is high, dismounts speed Fastly, but it is threadedly coupled the normal use that can not solve the problems, such as that drilling rod reverses, and the screw thread being used for a long time be easy to cause screw thread to damage, It carries out repairing button, increases use cost.The patent No. is respectively that the Chinese patent of CN203347705 and CN201810221 is public Cloth drill rod connector and a kind of buckle type drill rod connector, two kinds of patents pass through buckle-type connection type and carry out drilling rod Connection, although this kind of mode solves the disadvantage that ring flange connection or is threadedly coupled, but this two kinds of patents had been coupled Cheng Zhong is both needed to carry out the pin hole of two parts of connector to just to facilitate fixed pin to be inserted into, and drilling rod is Heavy-duty Tools, to just Difficulty is big when the pin hole of connector, realization take length, reduce working efficiency, in addition in drilling operation, drilling rod often by The recoil being subject into drill bit grinding drilling operation is hit and is shaken, and fixed pin is easy to cause to fall off and fallen into well from pin hole Junk is formed, and then influences next step drilling.

Summary of the invention

In order to solve the deficiencies in the prior art, the present invention provides a kind of driver extension bar connectors, and the connector is to pros Just, connection procedure is simple and quick, improves working efficiency when drilling rod connection.

To achieve the goals above, the technical solution adopted by the present invention are as follows: including coupling and nipple, coupling and interior Connector passes through buckle-type and connects, it is characterised in that: the two sides of the coupling are arranged two bayonet disks, in each bayonet disk Card slot is opened up, the first limited block is arranged in the side of a bayonet disk, another bayonet disk side opposite with the first limited block is set The second limited block is set, vertically opens up the first limit hole on two bayonet disks respectively, the first limit hole and card slot communicate, in coupling Nipple is installed, the outside of nipple is set there are two clamp disk, and two clamp disks and two bayonet disks respectively correspond cooperation, and two The second limit hole is vertically opened up on clamp disk respectively, the second limit hole is corresponding with the first limit hole, the second limit hole and first Spacer pin is installed altogether, the top of spacer pin is arranged fixture block, is arranged between the lower part of fixture block and the top of bayonet disk and draws in limit hole Spring.The bayonet disk and clamp disk is sector.The bottom end of the nipple opens up round fixing groove.The coupling Fixed disk is arranged in top, and fixed disk is rounded, and the radius of fixed disk is identical as the round radius of fixing groove.The coupling Inner wall eye circumference installs sealing ring in seal groove to seal groove is opened up.The sealing ring is YX type sealing ring, YX type sealing ring Open Side Down.The smooth hemispherical of the bottom end face of the nipple.The radial diameter of the lower end of the nipple is with proper Well be inserted into coupling it is interior it is intracavitary subject to.

The invention has the benefit that the first limited block is respectively set in the side of two bayonet disks of coupling in the present invention With the second limited block, the first limit block and the second limit block are oppositely arranged, when the clamp of nipple spirals the card on card inlet disk When in slot, the first limit block and the second limit block each serve as positioning action, at this time the second limit hole and bayonet on clamp disk The first limit hole on disk corresponds to just, can be inserted into fixed pin, the entire process for connecting coupling and nipple, without special Door carries out manual calibration to the first limit hole on the second limit hole and bayonet disk on clamp disk, saves the Connection Time, mentions The high joint efficiency of drilling rod.Fixture block is arranged in the top of spacer pin in the present invention, between the lower part of fixture block and the top of bayonet disk Tension spring is set, when spacer pin is located in the second limit hole and the first limit hole, tension spring in the raw, when needing nipple On clamp spiral coupling upper latch notch disk card slot in when, need first lift spacer pin manually, spiral card inlet to clamp When in the card slot of disk, spacer pin is put down, spacer pin can be automatically inserted into the second limit hole and the first limit by the pulling force of tension spring In hole, it is therefore prevented that drilling rod is shaken spacer pin risk out due to vibration in drilling process, improves the safety coefficient of equipment, So as to avoid fixed pin falls off from pin hole and falls into well and forms the generation of junk.The present invention also has structure simple, compact And advantage low in cost.

Detailed description of the invention

Fig. 1 is joint structure schematic diagram in China and foreign countries' of the present invention；

Fig. 2 is Fig. 1 top view；

Fig. 3 is nipple structural schematic diagram in the present invention；

Fig. 4 is Fig. 3 top view；

Fig. 5 is structural schematic diagram when nipple is mounted in coupling in the present invention.

Specific embodiment

Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described, Obviously, described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based in the present invention Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts, all Belong to the scope of protection of the invention.

Driver extension bar connector includes coupling 1 and nipple 14, coupling 1 and nipple 14 as shown in figures 1 and 3 It is connected by buckle-type, as depicted in figs. 1 and 2, two bayonet disks 3, each bayonet disk 3 is arranged in the two sides of the coupling 1 Card slot 4 is inside opened up, the first limited block 5 is arranged in the side of a bayonet disk 3, another bayonet disk 3 and the first limited block 5 are opposite Side the second limited block 16 is set, the first limit hole 10, the first limit hole 10 and card are vertically opened up on two bayonet disks 3 respectively Slot 4 communicates, and nipple 14 is installed in coupling 1, and as shown in Figure 3 and Figure 4, the outside of nipple 14 is set there are two clamp disk 12, Two clamp disks 12 and two bayonet disks 3 respectively correspond cooperation, vertically open up the second limit hole 15 respectively on two clamp disks 12, Second limit hole 15 is corresponding with the first limit hole 10, installs spacer pin 6 altogether in the second limit hole 15 and the first limit hole 10, limit Fixture block 9 is arranged in the top of position pin 6, and tension spring 7 is arranged between the lower part of fixture block 9 and the top of bayonet disk 3.

The first limited block 5 and the second limited block 16 is respectively set in the side of two bayonet disks 3 of coupling 1 in the present invention, First limited block 5 and the second limited block 16 are oppositely arranged, when the clamp disk 12 of nipple 14 screws in the card slot 4 on bayonet disk 3 When, the first limited block 5 and the second limited block 16 each serve as positioning action, at this time the second limit hole 15 and card on clamp disk 12 The first limit hole 10 on mouth disk 3 is just corresponding, can be inserted into fixed pin, the entire mistake for connecting coupling 1 and nipple 14 Journey, without specially carrying out manually corresponding, section with the first limit hole 10 on bayonet disk 3 to the second limit hole 15 on clamp disk 12 The Connection Time has been saved, the joint efficiency of drilling rod is improved.Fixture block 9, fixture block is arranged in the top of spacer pin 6 in the present invention, spacer pin 6 Tension spring 7 is set between 9 lower part and the top of bayonet disk 3, and spacer pin 6 is located in the second limit hole 15 and the first limit hole 10 When, tension spring 7 in the raw, when need by nipple 14 clamp disk 12 screw in 14 upper latch notch disk 3 of coupling card slot 4 When middle, need first to lift spacer pin 6 manually, when in the card slot 4 that clamp disk 12 screws in bayonet disk 3, put down spacer pin 6, limit Pin 6 can be automatically inserted into the second limit hole 15 and the first limit hole 10 by the pulling force of tension spring 7, it is therefore prevented that drilling rod was being crept into Spacer pin 6 is shaken risk out due to vibration in journey, improves the safety coefficient of equipment, so as to avoid fixed pin from pin hole It falls off and falls into well and form the generation of junk.

Stable fastness when in order to further enhance this connector coupling 1 and the connection of nipple 14, improves safety Can, the bayonet disk 5 and clamp disk 3 are sector.

Drilling rod is welded on the bottom on nipple 14 for convenience, the bottom end of the nipple 14 opens up round fixation Slot 2.

Similarly, drilling rod is welded on to the top of coupling for convenience, fixed disk is arranged in the top of the coupling 1 13, fixed disk 13 is rounded, and the radius of fixed disk 13 is identical as the round radius of fixing groove 2.The structure makes this connector whole Body structure is more rationally compact.

In order to enhance the sealing effect of nipple 14 and coupling 1, as shown in Figure 1 and Figure 5, the coupling 1 it is interior Wall eye circumference installs sealing ring 11 in seal groove 8 to seal groove 8 is opened up.The sealing ring 11 is YX type sealing ring, the sealing of YX type Open Side Down for circle.Sealing surface can be also set on nipple 14, and sealing surface and sealing ring 11 are matched, further improved close Seal effect.

For convenience when connecting drilling rod, the lower end of nipple 14 can be in the inner cavity of quick insertion coupling 1, then It is attached, the smooth hemispherical of the bottom end face of the nipple 14.When the EDGE CONTACT coupling 1 of 14 lower end of nipple Top opening when, can slide into the inner cavity of coupling 1, further save the time used when connection.

In order to improve the precise degrees of nipple 14 and the positioning of coupling 1, the radial direction of the lower end of the nipple 14 is straight Diameter be subject to be inserted into just it is intracavitary in coupling 1.

Usage mode of the invention, as shown in figure 5, installation when, first by coupling 1 and nipple 14 respectively with two drilling rods One end be welded and fixed；Nipple 14 is inserted into coupling 1 again, after clamp disk 12 is corresponding with bayonet disk 3, lifts limit at this time Position pin 6, while starting the drilling rod that the rotation of drilling machine dynamic rotation system is welded with nipple 14, clamp disk 12 is rotatably inserted into clamp disk In 12；Due to the positioning action of the first limited block 5 and the second limited block 16, without to the second limit hole 15 and the first limit hole 10 Calibrated, when clamp disk 12 revolves motionless, can spacer pin 9 be inserted into corresponding second limit hole 15 and the first limit hole 10 It is interior, that is, complete installation.When disassembly, the course of work is opposite with above-mentioned action process.

Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention, Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features, All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention Within protection scope.

Claims

1. Screw connector connector, comprising an outer connector (1) and an inner connector (14), the outer connector (1) and the inner connector (14) are connected by a snap-fit, characterized in that: the outer connector (1) There are two bayonet discs (3) on both sides, and a card slot (4) is opened in each bayonet disc (3), and a first limit block (5) is arranged on one side of one bayonet disc (3) a second limiting block (16) is disposed on a side of the other bayonet disc (3) opposite to the first limiting block (5), and the first limiting position is vertically opened on the two bayonet discs (3) The hole (10), the first limiting hole (10) and the card slot (4) communicate with each other, the outer joint (1) is provided with an inner joint (14), and the outer joint (14) is provided with two chuck disks (12). The two card trays (12) are respectively matched with the two bayonet discs (3), and the second latching holes (15) are vertically opened on the two chucking discs (12), and the second limiting holes are respectively opened. (15) Corresponding to the first limiting hole (10), a limiting pin (6) is mounted in the second limiting hole (15) and the first limiting hole (10), and the top of the limiting pin (6) A card block (9) is provided, and a tension spring (7) is disposed between the lower portion of the card block (9) and the top of the bayonet disk (3).

2. A screwdriver post connector according to claim 1, wherein said bayonet disc (5) and chuck disc (3) are fan shaped.

The screwdriver post connector according to claim 1 or 2, characterized in that the bottom end of the inner joint (14) is provided with a circular fixing groove (2).

The screwdriver post connector according to claim 3, characterized in that the top of the outer joint (1) is provided with a fixing disc (13), and the fixing disc (13) has a circular shape and a fixed disc (13). The radius of the ) is the same as the radius of the circular fixing groove (2).

The screwdriver post connector according to claim 4, wherein the inner wall of the outer joint (1) has a sealing groove (8) circumferentially and a sealing ring (8) is mounted in the sealing groove (8). 11).

The screwdriver post connector according to claim 5, wherein the sealing ring (11) is a YX type sealing ring, and the opening of the YX type sealing ring is downward.

7. A screwdriver post connector according to claim 5, wherein the bottom end of the inner joint (14) is also a smooth hemisphere.

8. A screwdriver post connector according to claim 7, wherein the radial diameter of the lower end of the inner joint (14) is within the inner cavity of the outer joint (1).