CN209993859U - Auxiliary device for cable plugging in narrow space - Google Patents

Abstract

The utility model discloses an auxiliary device for cable splicing in a narrow space, which comprises a positioning frame, a movable block and a force application component, wherein the positioning frame is provided with a mounting groove which is communicated with the upper end surface and the lower end surface of the positioning frame, the front side of the mounting groove is open, the movable block is arranged in the mounting groove, and the force application component can drive the movable block to slide along the length direction of the mounting groove under the action of external force; the lower extreme both sides of mounting groove are equipped with socket positioning step, and socket positioning step extends towards the mounting groove internal level, and leaves the clearance between the locating rack lower extreme tip, have the plug fixed slot who link up its upper and lower terminal surface on the movable block, and the front side of plug fixed slot is uncovered, and movable block lower extreme both sides have open plug constant head tank. The plugging device has the advantages that the plugging device can meet the requirements of alignment and plugging between the fixed socket and the movable plug on the step surface of the similar annular metal inner cavity, the service life of the socket and the service life of the whole annular metal part are prolonged, the plugging efficiency and quality are improved, the human engineering and operation habits are fully considered, and the plugging device is suitable for the application in narrow operation space.

Description

Auxiliary device for cable plugging in narrow space

Technical Field

The utility model relates to a pencil connects butt joint appurtenance field, concretely relates to an auxiliary device that is used for cable grafting in narrow and small space.

Background

The cable connection part generally adopts a plug and socket matching mode, the plug and socket are frequently inserted and pulled repeatedly by manpower in the using process, the plug and socket are frequently in a relatively inclined insertion state due to operation reasons in the inserting and pulling process, the alignment is difficult, the fault problems of bending and breaking of contact pins, even pin shrinkage and the like can be caused, the service life of the plug and socket is greatly shortened, particularly, aiming at a plug and socket structure matched with a plurality of pinholes, the insertion and pulling are performed by manpower, the time and the labor are consumed, the assembling and disassembling efficiency is reduced, and the assembling and disassembling quality can not be improved, the special environment refers to an environment with a narrow operation space, such as that the end part of a cable A is connected with a socket and fixed at the step end face of a circular metal cavity, the cable A is buried in the circular metal cavity by potting materials, so that the cable A can not be taken, need often carry out the plug with cable A socket, nevertheless often lead to can only carrying out blind plug because of the assembly space is narrow and small, be difficult to adjust well, finally cause cable A socket looper, broken needle, contract the needle and damage, and then influence and lead to whole section product of whole ring column unable use.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides an auxiliary device for cable grafting in narrow and small space is convenient for carry out plug and socket just to the plug in this kind of environment, improves dismouting efficiency and quality.

In order to achieve the above purpose, the utility model discloses technical scheme as follows:

the utility model provides an auxiliary device that is used for cable grafting in narrow and small space, its key lies in: the positioning device comprises a positioning frame, a movable block and a force application assembly arranged on the movable block, wherein the positioning frame is provided with an installation groove penetrating through the upper end surface and the lower end surface of the positioning frame, the front side of the installation groove is open, the movable block is movably arranged in the installation groove, and the force application assembly can drive the movable block to slide along the length direction of the installation groove under the action of external force;

the lower extreme both sides of mounting groove are equipped with socket location step, socket location step extends towards the mounting groove internal level, and leaves the clearance between the locating rack lower extreme tip, have the plug fixed slot who link up its terminal surface from top to bottom on the movable block, the front side of this plug fixed slot is uncovered, and movable block lower extreme both sides have open plug constant head tank.

Structure more than adopting, when carrying out the butt joint of cable plug, through the up end butt of socket location step with the socket journal stirrup, and the lower terminal surface of socket journal stirrup is the step face butt with metal inner chamber, the lower extreme of locating rack also becomes the impetus with the step face butt of metal inner chamber simultaneously, also play the fixed action to the socket simultaneously, then put into the plug fixed slot with the plug, fix a position the plug through the plug constant head tank, make the movable block slide along the mounting groove through force application subassembly at last, even the plug just inserts to the socket, thereby avoid when the butt joint to adjust the condition emergence that slower or insert to one side and lead to the contact pin crooked, thereby be favorable to prolonging the life of plug and socket.

Preferably, the method comprises the following steps: the cross section of the socket positioning step is L-shaped. The connecting column on the support lug of the socket is avoided by adopting a simple structure, so that the damage to the connecting column is avoided, the use safety of the tool is improved, and the forming of a mold is convenient.

Preferably, the method comprises the following steps: the side walls of the two sides of the mounting groove are provided with guide grooves arranged along the vertical direction, the positions of the two sides of the movable block corresponding to the guide grooves are provided with the force application assembly, the force application assembly comprises an L-shaped shifting piece and a force application rod, the L-shaped shifting piece is fixedly connected with the movable block, the L-shaped shifting piece is in sliding fit with the guide grooves, the length of the L-shaped shifting piece is smaller than that of the guide grooves, and the force application rod is fixedly connected with the L-shaped shifting piece;

the lower end of the L-shaped shifting piece is bent towards the mounting groove and forms the plug positioning groove together with the lower end of the movable block.

Scheme more than adopting, can ensure more steadily when the movable block slides through L type plectrum and guide way cooperation, and the better depth to plug insertion of the two length of accessible limits, avoids inserting too hard, causes contact pin damage etc. improves the factor of safety that this instrument was pegged graft greatly.

Preferably, the method comprises the following steps: the lower extreme symmetry of movable block is provided with the double-screw bolt spacing groove, the lower extreme and the front side in double-screw bolt spacing groove are all uncovered, and the position that corresponds the double-screw bolt spacing groove on the movable block is equipped with the screwdriver guiding hole, the upper end of screwdriver guiding hole runs through to the upper surface of movable block, lower extreme and double-screw bolt spacing groove intercommunication. The structure more than adopting, can carry out spacingly through the double-screw bolt spacing groove to the double-screw bolt of plug both sides, can further improve the stability of plug to directly stretch into wherein from upper portion through the screwdriver guiding hole and carry out the screw fastening, the operation is more light convenient and reliable.

Preferably, the method comprises the following steps: l type plectrum includes integrated into one piece's vertical section and horizontal segment, wherein in vertical section embedding guide way to can dismantle with the movable block through the screw and be connected, the horizontal segment extends towards the mounting groove level from the lower extreme tip of vertical section. Scheme more than adopting can improve the assembly efficiency of movable block and locating rack, and the fast assembly of being convenient for fully guarantees the stability of L type plectrum simultaneously, constitutes the plug constant head tank through the lower extreme of horizontal segment directness and movable block simultaneously, realizes the restriction of plug degree of depth with the cooperation of vertical section and guide way simultaneously, reaches a multi-purpose effect.

Preferably, the method comprises the following steps: the stress application rod is detachably connected with the L-shaped shifting piece, and the stress application rod extends outwards along the width direction of the mounting groove. Scheme more than adopting, more laborsaving during through the application of force plug of stress arm, and adopt detachable connected mode, can further improve the packaging efficiency of instrument self, also be convenient for make alone.

Preferably, the method comprises the following steps: the stress application rod penetrates through the L-shaped shifting piece and then is fixed with the movable block. The stability of the movable block during sliding can be improved through the two-point fixed connection, and meanwhile, the stability of the L-shaped shifting piece is guaranteed.

Preferably, the method comprises the following steps: at least one buffer spring is arranged between the positioning frame and the movable block, the buffer spring is vertically arranged, and two ends of the buffer spring respectively act on the positioning frame and the movable block. Make the movable block keep at highest position when initial through buffer spring, ensure to leave sufficient distance between socket location step and the plug constant head tank, conveniently peg graft after fixing socket and plug respectively, buffer spring's existence can avoid exerting oneself too big when the application of force to cause harmful effects to the contact pin simultaneously, when extracting, after loosening the screw, can make the plug separate with the socket faster with the help of buffer spring's elastic restoring force.

Preferably, the method comprises the following steps: the lower part of the positioning frame is provided with a sliding block which is just opposite to the movable block, the movable block is provided with a sliding groove matched with the sliding block, and the upper end and the lower end of the buffer spring are respectively abutted against the top wall and the sliding block of the sliding groove. By adopting the scheme, the stability of the movable block and the positioning frame during relative sliding can be further improved, and meanwhile, the buffer spring is positioned in a relatively closed environment, so that the action effect is more stable, and the assembly is simple and convenient.

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

adopt the utility model provides an auxiliary device that is used for cable grafting in narrow and small space, the plug of adjusting well between fixed socket and the movable plug on the fully provided similar annular metal inner chamber step face, prevent to insert to one side to pull out or fiercely insert and cause the socket contact pin to damage, the life of extension socket life and whole annular metal part, save the plug time of adjusting well simultaneously, improve plug efficiency quality, tool structure is simple, light in weight, small, convenient operation is swift, practical range is wide, and human engineering and operation custom are fully considered, adaptable narrow and small operation space's application.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a front view of the embodiment of FIG. 1;

FIG. 3 is a schematic view of a positioning frame;

FIG. 4 is a schematic view of a structure of the movable block cooperating with the force application assembly;

FIG. 5 is a rear side view of the structure of FIG. 4;

FIG. 6 is a diagram illustrating the usage of the present invention;

FIG. 7 is a schematic view of the receptacle of FIG. 6 in an installed configuration;

fig. 8 is a cross-sectional view of fig. 6.

Detailed Description

The present invention will be further described with reference to the following examples and accompanying drawings.

Referring to fig. 1 to 8, a special case of the present application will be further described, referring to fig. 7, a cable a (not shown) is disposed in a metal cylinder 8, one end of the cable a is connected to a socket 6, the socket 6 is disposed at an end of the metal cylinder 8 and is mainly used for connecting to an externally movable plug 7, a positioning end surface 80 is disposed in the metal cylinder 8, the positioning end surface 80 is a sunken step surface, a U-shaped positioning slot 81 is disposed at a position of the metal cylinder 8 corresponding to the socket 6, an upper and a lower portion of the positioning slot 81 are open, the socket 6 is supported on the positioning end surface 80 at the positioning slot 81 by lugs at two ends, a potting material is disposed in the metal cylinder 8, such that the socket 6 is generally exposed out of a connecting portion above the positioning end surface 80, the positioning slot 81 is relatively narrow and the potting material has a certain elasticity, when the plug 7 is inserted and removed, the receptacle 6 is easily deviated, the receptacle 6 is easily damaged, and the production efficiency is hardly affected.

The utility model discloses an auxiliary device for cable grafting in narrow and small space mainly includes locating rack 1, movable block 2 and application of force subassembly, locating rack 1 is last to have mounting groove 10 (all refer to the figure position about around in this application) that runs through its upper and lower terminal surface, the front side of mounting groove 10 is uncovered, simultaneously, lower extreme bilateral symmetry in mounting groove 10 is provided with two socket location steps 11, socket location step 11 is towards the horizontal extension in mounting groove 10, and leave the clearance between the lower extreme tip of locating rack 1, under normal conditions, the length of this clearance is basically the same with the socket 6 journal stirrup thickness of installing on above-mentioned metal cylinder 8, the cross section of socket location step 11 all is L shape in this embodiment, its two right-angle sides link firmly with the lateral wall and the diapire of mounting groove 10 respectively, adopt this kind of structure, can avoid socket location step 11 to cause the spliced pole 60 of socket 6 to interfere, the socket is ensured to be connected and fixed with the plug 7 through the connecting column 60 by the socket 6.

The activity of movable block 2 sets up in 10 with the mounting groove, the application of force subassembly is used for being connected with movable block 2, 2 application of force to the movable block through the application of force subassembly, make the length direction that mounting groove 10 can be followed to movable block 2 slide, be equipped with plug fixed slot 20 on the movable block 2, plug fixed slot 20 is logical groove structure, the upper and lower both ends terminal surface that runs through movable block 2 equally, its front side is uncovered simultaneously, the diapire of mounting groove 10 is hugged closely to the back wall of movable block 2, the adaptation plug constant head tank 21 of the lower extreme bilateral symmetry of movable block 2, both sides are all uncovered around plug constant head tank 21.

In order to sufficiently ensure the sliding stability of the movable block 2 in this embodiment, the side walls of the two sides of the mounting groove 10 are symmetrically provided with guide grooves 12, the guide grooves 12 are arranged along the vertical direction of the mounting groove 10, the guide grooves 12 penetrate through the inner and outer sides of the side walls, the left and right sides of the movable block 2 are provided with force application components corresponding to the guide grooves 12, as shown in the figure, the force application components mainly comprise an L-shaped plectrum 3 and a force application rod 4, wherein the L-shaped plectrum 3 mainly comprises a vertical part 30 vertically arranged along the guide grooves 12 and a horizontal part 31 horizontally extending from the end part of the vertical part 30 in the groove mounting groove 10, the vertical part 30 and the horizontal part 31 are integrally formed, the vertical part 30 is detachably and fixedly connected with the side walls of the movable block 2 through screws, the vertical part 30 is embedded in the guide grooves 12 and is in sliding fit with the guide grooves 12, the length of the vertical part 30 is smaller than that of the guide grooves 12, thus, a gap exists between the horizontal portion 31 and the lower end portion of the movable block 2, the gap constitutes the aforementioned plug positioning groove 21, and the cross section of the horizontal portion 31 is also L-shaped, so that interference with the connection post of the socket during plugging can be effectively prevented.

Certainly in the actual implementation in-process, the vertical portion 30 and the horizontal part 31 of L type plectrum 3 can set up respectively, the horizontal part is direct to constitute plug constant head tank 21 with the lower extreme fixed connection of movable block 2 promptly, and vertical portion 30 is direct to be dismantled with movable block 2 and is connected, and the benefit of adopting integral type L type plectrum 3 structure in this embodiment lies in can carrying out the whole change of L type plectrum 3 as required, with the size of adjustment plug constant head tank 21, satisfy the demand of plug location, and if adopt the latter mode, the size of plug constant head tank 21 is fixed, when needing to be changed, then need carry out whole change to movable block 2, its cost is higher relatively.

Stress application rod 4 passes through screw-thread fit fixed connection with the vertical portion 30 of L type plectrum 3, and the hookup location is in the upper portion of vertical portion 30, stress application rod 4 extends along the outside level of width direction of mounting groove 10, for the equilibrium and the slip stability of further improving the 2 slip atress of movable block in this embodiment, so stress application rod 4 directly runs through vertical portion 30 after with the both sides fixed connection of movable block 2, vertical portion 30 all realizes two point connections fixedly with the lateral part of movable block 2 like this, be favorable to guaranteeing the stability of the 4 application of force of stress application rod.

In order to ensure the stability of the plug after being placed in the plug fixing groove 20, in this embodiment, stud limiting grooves 22 are symmetrically arranged on two sides of the lower end of the movable block 2, openings of the stud limiting grooves 22 face downward, and both front and rear sides of the stud limiting grooves are open, so that studs on two sides of the plug can be inserted into the stud limiting grooves, the plug is further integrally positioned, meanwhile, screwdriver guide holes 23 are arranged in positions, corresponding to the stud limiting grooves 22, of the movable block 2, the screwdriver guide holes 23 are vertically arranged, the upper ends of the screwdriver guide holes penetrate through the upper end face of the movable block 2, and the lower ends of the screwdriver guide holes are communicated with the stud limiting grooves 22.

In addition, in order to ensure that the sliding value of the L-shaped shifting piece 3 in the guide groove 12 is fixed and prevent the socket from being fixed on the positioning frame 1 and the plug from interfering with each other when the plug is fixed on the movable block 2, i.e. to reserve enough clearance between the socket positioning step 11 and the plug positioning groove 21 and to preset the sliding length of the movable block 3 to limit the plugging depth of the plug, thereby improving the plugging quality, at least one buffer spring 5 is arranged between the positioning frame 1 and the movable block 2, the buffer spring 5 is vertically arranged, the upper end and the lower end of the buffer spring 5 respectively act on the movable block 2 and the positioning frame 1, in the initial state, the movable block 2 is elastically supported on the positioning frame 1 under the action of the buffer spring 5, the limit is realized by abutting the vertical section 30 and the top of the guide groove 12, when the plug is plugged, the force applying rod 4 is pressed downwards, the elastic force of the buffer spring 5 needs to be overcome, and the, until the vertical section 30 abuts against the bottom of the guide groove 12, the plugging depth can be controlled better, and meanwhile, the damage of the pin caused by over-force is prevented.

As shown in the figure, the bottom wall of the mounting groove 10 near the lower part is provided with a slide block 13 which is opposite to the movable block 2 and protrudes, the slide block 13 is in a long strip shape, and is arranged along the width direction of the mounting groove 10, a sliding groove 24 which is in sliding fit with the sliding block 13 is arranged on the movable block 2, the lower end of the sliding groove 24 is open, the left end and the right end of the sliding block 13 are both provided with a buffer spring 5, the lower end of the buffer spring 5 is abutted against the sliding block 13, the upper end is abutted against the top wall of the sliding groove 24, meanwhile, in order to ensure the stability of the buffer spring 5 and prevent the buffer spring from bending, mounting holes are arranged at the corresponding positions of the tops of the sliding block 13 and the sliding groove 24, the upper end and the lower end of the buffer spring 5 are embedded into the corresponding mounting holes, when the movable block 2 slides downwards and overcomes the elasticity of the buffer spring 5, the sliding block 13 slides in the sliding groove 24 at the same time, and the stability of relative sliding between the movable block 2 and the positioning frame 1 can be further improved.

In consideration of the service life and stability, the material deformation is prevented from causing assembly and disassembly errors, so that the positioning frame 1, the movable block 2 and the force application assembly are all made of metal materials in the embodiment, and a thin layer of protective plastic is sprayed on the outer surface of each part in order to prevent the metal surface from influencing the socket or the positioning part of the plug.

Referring to fig. 1 to 8, the end of the movable cable B is connected with a plug 7, when the plug 7 is required to be butted with the socket 6, the positioning frame 1, the movable block 2 and the force application component are assembled, then the plug 7 is placed into the plug 7 from the front side of the plug fixing groove 20, the lugs at the two sides of the plug 7 are embedded into the plug positioning grooves 21 at the left and right sides, the studs 70 at the two ends of the plug 7 are embedded into the corresponding stud limiting grooves 22, the mounting groove 10 is aligned to the positioning groove 81, the positioning frame 1 with the plug 7 fixed is translated into the positioning groove 81 from the front side of the positioning groove 81, the lower surface of the socket positioning step 11 is abutted against the upper surfaces of the lugs at the two ends of the socket 6, the lower end of the positioning frame 1 is supported on the positioning end surface 80, the socket 6 is axially positioned by means of the positioning end surface 80 and the socket positioning step 11, and the front side of the positioning frame 1 is, the positioning frame 1 is ensured not to shake left and right or in pitching, so that the radial limiting of the socket 6 is realized, and the socket 6 is ensured not to shift in the plugging process.

And then the stress application rod 4 drives the movable block 2 to slowly press downwards, so that the plug 7 is in butt joint with the socket 6, the screwdriver extends into the screwdriver through the screwdriver guide hole 23, the stud 70 is tightly connected with the connecting column 60, and after the fastening is finished, the tool positioning groove 81 is formed.

When the connector is pulled out, the operations are reversed according to the steps, namely, after the pressurizing rod 4 is pressed downwards at first, the pressurizing rod is inserted into the connector, so that the socket 6 and the plug 7 are fixed relatively through the socket positioning step 11 and the plug positioning groove 21 respectively, then the screwdriver is inserted through the screwdriver guide hole 23, the stud 70 is unscrewed, and then the pressurizing rod 4 is lifted up slowly, so that the plug 7 can be withdrawn from the socket 6, and the detachment of the two is realized.

The whole operation is simple and convenient, the operation can be carried out by one person, the device is multipurpose, small in size and light in weight, human engineering and operation habits are fully considered, the plugging error is effectively prevented, and the stability and the reliability are excellent

Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and the scope of the present invention.

Claims (9)

1. The utility model provides an auxiliary device that is used for cable grafting in narrow and small space which characterized in that: the device comprises a positioning frame (1), a movable block (2) and a force application assembly arranged on the movable block (2), wherein the positioning frame (1) is provided with an installation groove (10) penetrating through the upper end surface and the lower end surface of the positioning frame, the front side of the installation groove (10) is open, the movable block (2) is movably arranged in the installation groove (10), and the force application assembly can drive the movable block (2) to slide along the length direction of the installation groove (10) under the action of external force;

the lower extreme both sides of mounting groove (10) are equipped with socket location step (11), socket location step (11) are towards the interior level extension of mounting groove (10), and leave the clearance between locating rack (1) lower extreme tip, have plug fixed slot (20) of lining up its terminal surface from top to bottom on movable block (2), the front side of this plug fixed slot (20) is uncovered, and movable block (2) lower extreme both sides have open plug constant head tank (21).

2. The auxiliary device for cable splicing in a narrow space according to claim 1, wherein: the cross section of the socket positioning step (11) is L-shaped.

3. The auxiliary device for cable splicing in a narrow space according to claim 1, wherein: the side walls of two sides of the mounting groove (10) are provided with guide grooves (12) arranged in the vertical direction, the positions of two sides of the movable block (2) corresponding to the guide grooves (12) are respectively provided with the force application assembly, the force application assembly comprises an L-shaped shifting piece (3) and a force application rod (4), the L-shaped shifting piece (3) is fixedly connected with the movable block (2), the L-shaped shifting piece (3) is in sliding fit with the guide grooves (12), the length of the L-shaped shifting piece (3) is smaller than that of the guide grooves (12), and the force application rod (4) is fixedly connected with the L-shaped shifting piece (3);

the lower end of the L-shaped shifting piece (3) is bent towards the inside of the mounting groove (10) and forms the plug positioning groove (21) together with the lower end part of the movable block (2).

4. The auxiliary device for cable splicing in a narrow space according to claim 1, wherein: the lower extreme symmetry of movable block (2) is provided with double-screw bolt spacing groove (22), the lower extreme and the front side of double-screw bolt spacing groove (22) are all uncovered, and the position that corresponds double-screw bolt spacing groove (22) on movable block (2) is equipped with screwdriver guiding hole (23), the upper end of screwdriver guiding hole (23) runs through to the upper surface of movable block (2), lower extreme and double-screw bolt spacing groove (22) intercommunication.

5. The auxiliary device for cable splicing in a narrow space according to claim 3, wherein: l type plectrum (3) are including integrated into one piece's vertical section (30) and horizontal segment (31), wherein in vertical section (30) embedding guide way (12) to can dismantle with movable block (2) through the screw and be connected, horizontal segment (31) are from the lower extreme tip of vertical section (30) to horizontal extension in mounting groove (10).

6. The auxiliary device for cable splicing in a narrow space according to claim 3, wherein: the stress application rod (4) is detachably connected with the L-shaped shifting piece (3), and the stress application rod (4) extends outwards along the width direction of the installation groove (10).

7. The auxiliary device for cable splicing in a narrow space according to claim 6, wherein: the stress application rod (4) penetrates through the L-shaped shifting piece (3) and then is fixed with the movable block (2).

8. The auxiliary device for cable splicing in a narrow space according to claim 3, wherein: be equipped with at least one buffer spring (5) between locating rack (1) and movable block (2), buffer spring (5) vertical setting, its both ends are used in respectively on locating rack (1) and movable block (2).

9. The auxiliary device for cable splicing in a narrow space according to claim 8, wherein: the lower part of the positioning frame (1) is provided with a sliding block (13) which just extends to the movable block (2), the movable block (2) is provided with a sliding groove (24) matched with the sliding block (13), and the upper end and the lower end of the buffer spring (5) are respectively abutted to the top wall of the sliding groove (24) and the sliding block (13).

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