CN212421117U

CN212421117U - Threaded connector assembly and disassembly tools

Info

Publication number: CN212421117U
Application number: CN202020909512.0U
Authority: CN
Inventors: 宋丹; 李亮; 张瑞; 赵永浩; 李臻; 马丹
Original assignee: Luohe Power Supply Company State Grid Henan Electric Power Co
Current assignee: Luohe Power Supply Company State Grid Henan Electric Power Co
Priority date: 2020-05-26
Filing date: 2020-05-26
Publication date: 2021-01-29
Anticipated expiration: 2030-05-26

Abstract

A threaded connector disassembling tool belongs to the field of cable connector maintenance. Threaded connection head has the screw thread stopping sleeve of taking the straight line annular knurl, and it includes that two subtend settings are used for gripping the telescopic splenium of screw thread stopping, two be formed with feed opening between the splenium, at least one according to be equipped with on the application of force face of splenium be used for with straight line annular knurl complex syntropy ends ratchet. It can solve the technical problem that dismouting threaded connection head is efficient low in narrow and small space.

Description

Threaded connector assembly and disassembly tools

Technical Field

The utility model relates to a cable joint maintains technical field, concretely relates to threaded connection head assembly and disassembly tools.

Background

In the field of cable connection, a plug connector and a plug socket of plug connection are generally used for realizing quick-release connection. In order to avoid cable connection defects or cable separation caused by vibration, dragging and the like of the plug and the plug seat, the plug can be movably connected with a thread stopping sleeve, a fixing seat with external threads is connected with the plug seat, and the thread stopping sleeve is in threaded connection with the fixing seat with the external threads after the plug and the plug seat are in plug connection so as to fixedly realize fixation of a connection part.

In a junction box, such as an optical fiber junction box, a coaxial cable junction box, and the like, the connectors are densely provided on the fixing frame. Due to space limitation, the thread retaining sleeve is difficult to disassemble and assemble from the plug socket even if only a finger is used, so that the disassembling and assembling efficiency is low, and the finger can be damaged when the frequency is high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a threaded connector assembly and disassembly tools to solve the technical problem that the assembly and disassembly threaded connector is inefficient in narrow and small space.

In order to solve the technical problems, the following technical scheme can be selected according to the needs:

the utility model provides a threaded connection head assembly and disassembly tools, threaded connection head has the screw thread stopping sleeve of taking the straight line annular knurl, is used for gripping including two subtend settings screw thread stopping sleeve presses the splenium, two be formed with feed opening between pressing the splenium, at least one press be equipped with on the application of force face of splenium be used for with straight line annular knurl complex syntropy is contrary ratchet.

Preferably, the two pressing portions arranged oppositely are fixedly connected or integrally formed into an elastic curved body.

Preferably, the clamping device further comprises two displacement force applying arms, the two pressing parts are respectively arranged on the inner sides of the clamping feet of the two displacement force applying arms, and each displacement force applying arm is connected with one pressing part; the normal plane determined by the axis of the threaded retaining sleeve with the straight knurling is a holding section, and the displacement force applying arm is used for enabling a clamping point for clamping the pressing part to be displaced on the side of the holding section.

Furthermore, the force applying arm is provided with a reversing part, and an included angle which is larger than 0 degree and smaller than or equal to 90 degrees is formed between the reversing part and the holding section, or an included angle which is larger than 0 degree and smaller than or equal to 90 degrees is formed between the force applying arm and the holding section.

Furthermore, the pressing part with the same-direction ratchet is arranged as a first pressing part; the first pressing part is detachably connected with the clamping foot correspondingly connected with the first pressing part so as to adjust the non-return direction of the same-direction non-return ratchet through dismounting the first pressing part, or the first pressing part is rotatably connected with the clamping foot correspondingly connected with the first pressing part so as to adjust the non-return direction of the same-direction non-return ratchet through turning the first pressing part.

Further, the clamp main body further comprises a return spring, and the return spring is used for returning the two pressing portions.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the influence of the cable of being connected with threaded connection head can be avoided to feed opening, can set up the screw thread stopping sleeve of taking the straight line annular knurl through feed opening in two areas of gripping of pressing the splenium. Compared with fingers, the material can be selected according to the required holding force, so that the thickness of the pressing part is reduced as much as possible, and the threaded connector can be more suitable for the operation of dismounting and mounting the threaded connector in a narrow space. The syntropy contrary pawl can with the cooperation of straight line annular knurl, through the screw thread stopping sleeve of "centre gripping and rotation, loosen, reverse rotation" area straight line annular knurl, realize the dismouting work of taking the screw thread stopping sleeve of straight line annular knurl. The arrangement of the equidirectional check ratchet can reduce the pulling-apart distance of the pressing part which is arranged oppositely under the condition that the reverse rotation of the thread retaining sleeve with the straight knurling is avoided in the reverse rotation process, thereby reducing the clamping force required in the clamping and rotating processes and saving labor. If the threaded connector assembly and disassembly tool does not comprise a structure which influences the positive and negative use of the threaded connector assembly and disassembly tool, the forward stopping direction of the cocurrent check ratchet of the main view of the threaded connector assembly and disassembly tool also corresponds to the reverse stopping direction of the cocurrent check ratchet of the rear view of the threaded connector assembly and disassembly tool, namely, if the threaded connector assembly and disassembly tool of the main view corresponds to screwing up the thread stopping sleeve with the straight-line knurls, after the threaded connector assembly and disassembly tool is turned over, the threaded connector assembly and disassembly tool of the main view at the moment corresponds to unscrewing the thread stopping sleeve with the straight-line knurls.

2. The elastic curved body has simple structure and self-resetting effect, does not need force when loosened, and is easier to hold.

3. The clamping point of the clamping pressing part is shifted outside the holding section through the force applying arm, so that the limitation of a narrow space on the disassembly and assembly of the threaded connector can be further overcome.

4. The force applying arm is provided with a reversing part, and an included angle which is more than 0 degree and less than or equal to 90 degrees is formed between the reversing part and the holding section; the included angle between the force applying arm and the holding section is more than 0 degree and less than or equal to 90 degrees, so that the purpose of shifting the clamping point of the clamping pressing part outside the holding section can be realized.

5. The non-return direction of the non-return ratchet teeth in the same direction can be adjusted by disassembling or turning the first pressing part and the clamping foot correspondingly connected with the first pressing part, so that the defect that the non-return ratchet teeth in the same direction can only be used in one direction due to the fact that the clamping point position of the clamping pressing part is shifted by the force applying arm is avoided, namely the threaded connector disassembling tool can only unscrew or screw the threaded non-return sleeve with the straight knurling is overcome.

6. Reset spring makes two of threaded connector assembly and disassembly tools press the splenium to have from the reset effect, need not make power when loosening, and change in holding.

Drawings

Fig. 1 is a cross-sectional view of a prior art threaded joint.

Fig. 2 the utility model relates to a threaded connector assembly and disassembly tools's schematic diagram.

Fig. 3 is a schematic view of another tool for disassembling and assembling a threaded connector according to the present invention.

The reference numbers indicate that 10-male plug-in connector, 11-fixed seat with external threads, 12-thread backstop sleeve, 121-straight knurling, 211-pressing part, 212-pressing part, 221-equidirectional backstop ratchet, 222-cophase backstop ratchet, 231-pin, 232-return spring, 241-displacement force applying arm and 242-displacement force applying arm.

Detailed Description

The present invention is described below in terms of embodiments with reference to the accompanying drawings to assist those skilled in the art in understanding and realizing the invention. Unless otherwise indicated, the following embodiments and technical terms therein should not be understood to depart from the background of the technical knowledge in the technical field.

Fig. 1 shows a cross-sectional view of a prior art threaded joint. The threaded connector may be present alone, such as a 2M adapter, or may be part of an adapter, such as a three-way adapter. The male plug 10 is movably connected with a thread retaining sleeve 12, and a straight knurling or a reticulate knurling is arranged on the circumferential surface of the thread retaining sleeve 12 for facilitating the screwing or unscrewing of the thread retaining sleeve 12. Female socket (not shown) fixed connection or swing joint have the fixing base 11 of outband screw thread, also can be on the cable fixedly connected with outband screw thread fixing base 11, public bayonet joint 10 with line bayonet socket or cable plug connected back, adorn screw thread stopping sleeve 12 soon on the fixing base 11 of outband screw thread, just can avoid the cable vibration or drag the line bayonet socket that arouses or the connection defect or the separation of cable and public bayonet joint.

Example 1: the utility model discloses a threaded connector assembly and disassembly tools, see fig. 2-3, threaded connector has the screw thread stopping sleeve of taking the straight line annular knurl, including pressing splenium 211, pressing splenium 212, pressing splenium 211 and pressing splenium 212 subtend to set up and be used for holding the screw thread stopping sleeve of taking the straight line annular knurl, pressing splenium 211 and being formed with feed opening between splenium 212, be equipped with on at least one application of force face of pressing splenium and be used for with the same direction ratchet that ends of straight line annular knurl complex. In the tool for assembling and disassembling a screw connector shown in fig. 2 and 3, the pressing portion 211 is provided with the ratchet teeth 221 in the same direction on the force applying surface, and the pressing portion 212 is provided with the ratchet teeth 222 in the same direction on the force applying surface. When the pressing portion 211 and the pressing portion 212 are both provided with the ratchet teeth for stopping reverse in the same direction, the ratchet teeth for stopping reverse in the same direction should face in one direction, for example, clockwise or counterclockwise.

Preferably, the two

pressing portions

211 and 212 disposed opposite to each other are fixedly connected or integrally formed as an elastic curved body. Referring to fig. 2, a pressing portion 211 extends out of a section of force applying arm, a pressing portion 212 extends out of a section of force applying arm, and the ends of the two force applying arms are fixedly connected or rotatably connected through a pin 231 to form the forceps. In addition, the middle parts of the two force applying arms can be rotatably connected through a pin 231 to form a scissor fork structure.

Preferably, a threaded connector assembly and disassembly tools still includes reset spring 232, and reset spring 232 selects torsional coil spring, and the pin is worn to establish at torsional coil spring's spring hole and with two application of force arm rotatable coupling best, and two shell fragments of torsional coil spring butt respectively the inboard of two application of force arms to make torsional coil spring can drive two application of force arm separation and reset.

Example 2: the utility model discloses a threaded connector assembly and disassembly tools, see fig. 2-3, threaded connector has the screw thread stopping sleeve of taking the straight line annular knurl, including pressing splenium 211, pressing splenium 212, aversion application arm 241 and aversion application arm 242, pressing splenium 211 and pressing splenium 212 subtend to set up and be used for holding the screw thread stopping sleeve of taking the straight line annular knurl, pressing splenium 211 and pressing splenium 212 between be formed with feed opening, pressing and being equipped with on at least one application of force face of splenium and being used for with straight line annular knurl complex syntropy contrary ratchet. In the tool for assembling and disassembling a screw connector shown in fig. 2 and 3, the pressing portion 211 is provided with the ratchet teeth 221 in the same direction on the force applying surface, and the pressing portion 212 is provided with the ratchet teeth 222 in the same direction on the force applying surface.

The two

pressing portions

211 and 212 are respectively disposed inside the clamping legs of the displacement force applying arm 241 and the displacement force applying arm 242, the displacement force applying arm 241 is connected to the pressing portion 211, and the displacement force applying arm 242 is connected to the pressing portion 212. The normal plane determined by the axis of the threaded retaining sleeve with the straight knurling is a holding section, and the displacement force applying arm 241 and the displacement force applying arm 242 are used for displacing the clamping point for clamping the pressing part 211 and the pressing part 212 on the side of the holding section.

When in use, the displacement force applying arm 241 and the displacement force applying arm 242 are operated according to the matching relationship between the pressing part 211 and the pressing part 212 and the thread retaining sleeve with the straight knurling. For example, under the normal state, pressing portion 211 and pressing portion 212 are tightly matched with the thread retaining sleeve with straight knurls, then in the process of clamping the thread retaining sleeve with straight knurls, shift force applying arm 241 and shift force applying arm 242 need to be broken off, pressing portion 211 and pressing portion 212 tightly hold the thread retaining sleeve with straight knurls and then screw the thread retaining sleeve with straight knurls, move force applying arm 241 for avoiding reverse rotation, shift force applying arm 242 drives the thread retaining sleeve with straight knurls to reversely rotate, two sets of threaded connector assembling and disassembling tools can be used for matching, and when one set of reverse rotation is performed, the other set of threaded connector assembling and disassembling tools is used for forming a retaining mechanism. For example, in a normal state, the pressing portion 211 and the pressing portion 212 are in clearance fit with the threaded retaining sleeve with the straight knurled patterns, so that in the process of clamping and rotating the threaded retaining sleeve with the straight knurled patterns, the displacement force applying arm 241 and the displacement force applying arm 242 need to be clamped, so that the pressing portion 211 and the pressing portion 212 are in tight fit with the threaded retaining sleeve with the straight knurled patterns.

Referring to fig. 3, the force applying arm 241 and the force applying arm 242 form an included angle of more than 0 degree and less than or equal to 90 degrees with the holding section. Of course, the force applying arm can also be a crank arm or a bending arm, the force applying arm is provided with a reversing part, and an included angle which is larger than 0 degree and smaller than or equal to 90 degrees is formed between the reversing part and the holding section. Through the force applying arm 241 and the force applying arm 242, the position of a clamping point can be shifted through spatial transformation, so that the problem that a thread retaining sleeve with a straight knurling is not easy to disassemble when the space is limited (especially a plurality of thread connecting pieces are densely arranged in a holding section) is solved.

Furthermore, a pressing part with a homodromous ratchet is arranged as a first pressing part; the first pressing part is detachably connected with the clamping foot correspondingly connected with the first pressing part, so that the non-return direction of the cocurrent non-return ratchet can be adjusted by disassembling and assembling the first pressing part. For example, be equipped with the draw-in groove on pressing the foot, for example wild goose tail groove is equipped with the fixture block with draw-in groove complex on first pressing the portion, and the fixture block should not have the restriction of grafting direction. The clamping block of the first pressing part is inserted into the clamping groove, or the first pressing part is reversely rotated and then inserted into the clamping groove, so that the non-return direction of the non-return ratchet in the same direction can be adjusted.

Furthermore, a pressing part with a homodromous ratchet is arranged as a first pressing part; the first pressing part is rotatably connected with the clamping foot correspondingly connected with the first pressing part, so that the non-return direction of the non-return ratchet in the same direction can be adjusted by turning over the first pressing part. Because the included angle can realize that the pressing part 211 and the pressing part 212 oppositely hold the thread retaining sleeve with the straight knurls only by applying a force parallel to the holding section to the first pressing part, the rotatable connection of the first pressing part and the clamping pin correspondingly connected with the first pressing part does not influence the clamping effect. Preferably, the first pressing portion and the rotating shaft of the corresponding connected clamping leg are parallel to the holding section and perpendicular to the pressing direction.

The present invention has been described in detail with reference to the accompanying drawings and examples. It should be understood that in practice the description of all possible embodiments is not exhaustive, and that the inventive concepts are described herein by way of illustration as much as possible. Without departing from the utility model discloses a do not think about, and under the prerequisite of not paying the creative work, technical field's technical characterstic to the above-mentioned embodiment accepts and rejects combination, concrete parameter and tests the change, perhaps utilizes this technical field's prior art to the utility model discloses the technical means that has disclosed carries out the concrete embodiment of conventional replacement formation, all should belong to and do the utility model discloses the content of hiding the disclosure.

Claims

1. The utility model provides a threaded connection head assembly and disassembly tools, threaded connection head has the screw thread stopping sleeve of taking the straight line annular knurl, is used for gripping including two subtend settings screw thread stopping sleeve presses the splenium, two be formed with feed opening between pressing the splenium, its characterized in that, press to be equipped with on the application of force face of splenium at least one be used for with straight line annular knurl complex ratchet is contrary to same direction.

2. The threaded connector assembly and disassembly tool of claim 1, wherein the two pressing portions disposed opposite to each other are fixedly connected or integrally formed as an elastic curved body.

3. The threaded connector disassembling tool according to claim 1, further comprising two displacement force applying arms, wherein the two pressing portions are respectively disposed at inner sides of the clamping legs of the two displacement force applying arms, and each displacement force applying arm is connected with one pressing portion; the normal plane determined by the axis of the threaded retaining sleeve with the straight knurling is a holding section, and the displacement force applying arm is used for enabling a clamping point for clamping the pressing part to be displaced on the side of the holding section.

4. The tool for removing threaded joints according to claim 3, wherein the force application arm has a direction change portion, the direction change portion and the holding section have an angle of > 0 ° and < 90 °, or the force application arm and the holding section have an angle of > 0 ° and < 90 °.

5. The tool for removing threaded joints according to claim 4, wherein the pressing portion with the ratchet teeth is a first pressing portion; the first pressing part is detachably connected with the clamping foot correspondingly connected with the first pressing part so as to adjust the non-return direction of the same-direction non-return ratchet through dismounting the first pressing part, or the first pressing part is rotatably connected with the clamping foot correspondingly connected with the first pressing part so as to adjust the non-return direction of the same-direction non-return ratchet through turning the first pressing part.

6. The threaded connector assembly and disassembly tool of claim 3, wherein the clamp body further comprises a return spring for returning the two pressing portions.