CN218452932U - Elbow connector capable of being used in narrow space - Google Patents

Abstract

The utility model discloses a corner connector for narrow space, which comprises a ratchet wrench and an adjustable clamp, wherein the adjustable clamp comprises a clamp base, a first clamping block and a second clamping block, the first clamping block and the second clamping block are connected in the clamp base through fixing screws, and the clamp base is provided with a connecting part for connecting with the ratchet wrench; the ratchet wrench comprises a ratchet wheel, a connecting shaft, a wrench main body and a fixed cover plate, the ratchet wheel is coaxially and rotatably connected with the connecting shaft, the connecting shaft is used for being connected with the connecting part, and the fixed cover plate fixes the ratchet wheel and the connecting shaft in the wrench main body. The utility model discloses utilize movable clamp plate to carry out the centre gripping to the pipe connection spare of different specifications, pipe connection spare connects and utilizes the ratchet effect to step up or unscrew after fixed.

Description

Elbow connector capable of being used in narrow space

Technical Field

The utility model belongs to the technical field of the gas pipeline and specifically relates to a corner connector that can be used to narrow space.

Background

Along with the development of the current country, natural gas gradually becomes the basic domestic fuel of many urban residents, wherein the installation of gas pipeline has gradually become an important step of natural gas use, the installation of gas pipeline often needs professional installation, the use of general family gas end is to bury copper pipe secretly, bury the plastic-aluminum pipe secretly, obviously adorn galvanized pipe material, these structures need install in narrow and far away from the space of naked light usually, the staff can only work in narrow and dark space when installing gas pipeline, because the restriction staff of space generally can not exert oneself and screw up or loosen the pipeline when installing, and work also has certain influence to staff's health in narrow and small space for a long time, these circumstances have increased the degree of difficulty of gas pipeline installation, with current technique no matter what kind of material installation can't avoid using the pipe connection piece in narrow and small space.

SUMMERY OF THE UTILITY MODEL

To the deficiency of the prior art, the utility model aims to provide an installation is simple, convenient operation, can be used to narrow space's elbow connector.

In order to achieve the above purpose, the utility model provides a scheme does: the elbow connector capable of being used in narrow space is characterized by comprising a ratchet wrench and an adjustable clamp, wherein the ratchet wrench comprises a ratchet wheel, a pawl, a connecting shaft, a wrench body and a fixed cover plate, the wrench body is provided with an inner cavity, the ratchet wheel and the pawl are both rotatably connected into the inner cavity of the wrench body and are mutually matched, the ratchet wheel and the pawl are coaxially connected through the connecting shaft, and the fixed cover plate covers the inner cavity of the wrench body. The utility model has the advantages that: when the ratchet wrench and the adjustable clamp work, a ratchet wheel and a pawl in the ratchet wrench form a ratchet wheel structure, the position of a limiting screw in the ratchet wrench is set, the limiting screw blocks one side of the pawl, so that the ratchet wheel and the pawl can only rotate relatively in the limiting direction, and the ratchet wrench can be used for one-time clamping or continuous clamping construction in a narrow space.

The adjustable clamp can be used for clamping the elbow and can be suitable for elbows of various specifications due to the adjustable structure.

Preferably, the adjustable clamp comprises a clamp base, a first clamping block and a second clamping block, the first clamping block and the second clamping block are respectively connected with the clamp base through two groups of fixing screws and fixing nuts, and the first clamping block and the second clamping block are in sliding fit with the clamp base. The utility model adopts the above structure after, through adjustable anchor clamps to the centre gripping of pipeline and with ratchet spanner be connected can just can realize screwing up or loosening the pipeline through operation ratchet spanner.

Preferably, a first adjusting groove for adjusting the clamping distance and connecting is arranged in the first clamping block, and a second adjusting groove for adjusting the clamping distance and connecting is arranged in the second clamping block. The utility model adopts the above structure after, through unscrewing fixation nut, adjust the distance of first clamp splice and second clamp splice, can carry out the centre gripping to the pipe connection spare of different specifications.

Preferably, a first return spring and a second return spring for driving the pawl to reset are respectively arranged on two sides of the pawl, the wrench body is provided with a first limiting hole and a second limiting hole and is provided with a limiting screw, and one of the limiting screws is in threaded connection with the first limiting hole and the second limiting hole so as to switch the limiting direction of the limiting screw to the pawl. The utility model adopts the above structure after, realize freely switching ratchet spanner's direction of motion through switching the position of spacing screw in first spacing hole and the spacing hole of second, screw up and unscrew the pipeline connecting piece.

Preferably, the tail of the connecting shaft is provided with a connecting rod welded in the movable button, and a compression spring is sleeved on the connecting rod. The utility model adopts the above structure after, realize stretching out of control connecting axle through pressing movable button.

Preferably, the connecting shaft is provided with a mounting hole at a side portion thereof, the mounting hole is internally provided with a stopper and a spring for driving the stopper to extend out, and the connecting portion is internally provided with a limit groove which is in fit connection with the stopper. After the structure is adopted by the utility model, the movable button pushes the connecting shaft to enter the connecting groove, and the limiting piece on the connecting shaft and the limiting groove in the connecting part form temporary limiting, so that the ratchet wrench is connected with the adjustable clamp; when the ratchet wrench needs to be disassembled, the limiting piece can be retracted into the mounting hole by only pulling the ratchet wrench outwards under the action of pressure, so that the limitation is relieved.

Preferably, the front end of the connecting shaft is provided with a plurality of groups of limiting pieces, and meanwhile, a plurality of groups of limiting grooves matched with the limiting pieces are arranged in the connecting part, so that the connection stability of the ratchet wrench and the adjustable clamp is improved. The utility model adopts the above structure after, ratchet spanner need not worry when the motion can with adjustable anchor clamps separation, increase ratchet spanner and adjustable anchor clamps's stability of being connected.

Preferably, the end part of the limiter is in a cambered surface structure, and the side surface of the limiter is in a plane structure. After the structure is adopted in the utility model, the cambered surface structure can guide spacing son to shrink when being connected between connecting axle and connecting portion, and its planar structure makes ratchet spanner's torsion energy transmission to adjustable anchor clamps perpendicularly with the tangent line of connecting axle.

Preferably, the limiting sub is formed with a limiting flange, and meanwhile, a limiting step matched with the limiting flange is formed in the mounting hole. By adopting the above structure, the utility model, spacing step and spacing flange mutually support, restrict spacing son in the mounting hole motion, prevent that spacing son from droing.

Drawings

Fig. 1 is a schematic diagram of the overall explosion of the present invention.

Fig. 2 is a front view of the present invention (with the fixed cover hidden).

Fig. 3 is an exploded view of the present invention.

Fig. 4 is a working sectional view of the present invention.

Fig. 5 is a partially enlarged view of a region a in the working cross-sectional view of the present invention.

Fig. 6 is a working view of the present invention.

Fig. 7 is a perspective view of the middle stopper of the present invention.

The wrench comprises a wrench body 1, a first limiting hole 11, a second limiting hole 12, a caulking groove 13, a limiting screw 2, a ratchet wheel 3, a pawl 7, a first return spring 71, a second return spring 72, a movable button 4, a compression spring 5, a mounting hole 60, a connecting shaft 6, a limiting clamp 61, a limiting flange 611, a limiting step 62, a fixed cover plate 8, a clamp base 9, a connecting part 91, a limiting groove 911, a fixed screw 921, a fixed nut 922, a first clamping block 10, a first adjusting groove 101, a second clamping block 20 and a second adjusting groove 201.

Detailed Description

The claimed embodiments of the present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.

Referring to fig. 1 to 7, an elbow connector for use in narrow spaces in the present embodiment includes an adjustable clamp for clamping elbows of different specifications and a ratchet wrench for tightening and loosening the elbows through a ratchet structure.

The ratchet wrench comprises a ratchet wheel 3, a pawl 7, a connecting shaft 6, a movable button 4, a limiting screw 2, a wrench body 1 and a fixed cover plate 8, wherein a first reset spring 71 and a second reset spring 72 are arranged on two sides of the pawl 7 respectively and used for resetting the pawl 7 when the ratchet wheel 3 moves, the wrench body 1 is further provided with a first limiting hole 11 and a second limiting hole 12, when the limiting screw 2 is in threaded connection with the first limiting hole 11, the ratchet wheel 3 can only move clockwise, when the limiting screw 2 is in threaded connection with the second limiting hole 12, the ratchet wheel 3 can only move anticlockwise, the pawl 7 can only move to one side under the limitation of the limiting screw 2, and the ratchet wheel 3 is in coaxial connection with the connecting shaft 6.

The adjustable clamp comprises a clamp base 9, a first clamp block 10 and a second clamp block 20, the first clamp block 10 and the second clamp block 20 are connected in the clamp base 9 through two groups of fixing screws 921 and fixing nuts 922, the clamp base 9 is provided with a hole for connecting the fixing screws 921, a first adjusting groove 101 for adjusting the clamping distance is arranged in the first clamp block 10, meanwhile, a second adjusting groove 201 for adjusting the clamping distance is arranged in the second clamp block 20, and the fixing screws 921 penetrate through the clamping distance adjusted by the sliding of the first adjusting groove 101 and the second adjusting groove 201 and are fixed by the fixing nuts; in order to realize the connection between the adjustable clamp and the ratchet wrench, the front end of the adjustable clamp is further provided with a connecting part 91 for the ratchet wrench to connect, and a limit groove 911 is arranged in the connecting part 91 for temporarily fixing the ratchet wrench.

The tail of the connecting shaft 6 is provided with a connecting rod connected with the movable button 4, a compression spring 5 is sleeved on the connecting rod, in order to realize connection of an adjustable clamp and the ratchet wrench, the front end of the connecting shaft 6 is provided with a mounting hole 60, a limiting piece 61 and a spring used for driving the limiting piece 61 to extend out are arranged in the mounting hole 60, a limiting flange 611 is formed in the limiting piece 61, the limiting flange 611 is matched with a limiting step 62 in the mounting hole 60, the limiting piece 61 is limited in the mounting hole 60 to move, a temporary limiting groove 911 used for forming temporary limiting with the limiting piece 61 is formed in the connecting part 91, the movable button 4 is pushed, the compression spring drives the connecting shaft 6 to be pushed into the connecting part 91, and the limiting piece 61 and the limiting groove 911 form temporary limiting, so that the ratchet wrench is connected with the adjustable clamp.

In this embodiment, the process of attaching and detaching the corner connector usable in a narrow space is as follows: when the adjustable clamp needs to be installed, firstly, the fixing nut 922 is loosened, the fixing screw 921 penetrates through the clamp base 9, the first clamping block 10 and the second clamping block 20, the clamping distance of the adjustable clamp is adjusted through sliding in the first adjusting groove 101 and the second adjusting groove 201, the fixing nut 922 is screwed after the clamping distance is adjusted, then the adjustable clamp is connected with the ratchet wrench through the connecting groove 911 and the connecting shaft 6, the movable button 4 is pushed, and the stopper 61 at the front end of the connecting shaft 6 can sink into the limiting groove 911 and forms temporary limiting with the limiting groove 911; when the ratchet wrench needs to be disassembled, the limiting piece 61 can retract into the mounting hole 60 under the action of pressure to remove the limitation by only pulling the ratchet wrench outwards, so that the ratchet wrench and the mounting hole are separated.

In this embodiment, the operation of the corner connector that can be used in a narrow space is as follows: when the ratchet wrench needs to tighten the pipeline connecting piece, the limiting screw 2 is arranged in the second limiting hole 12, the limiting screw 2 can limit the movement direction of the pawl 7 relative to the left side, so that the pawl 7 can only move relative to the left side, and because the ratchet 3 and the pawl 7 form a ratchet structure, when the pawl 7 can only move relative to the left side, the ratchet can only move clockwise; when the ratchet wrench needs to unscrew the pipeline connecting piece, the limiting screw 2 is arranged in the first limiting hole 11, the limiting screw 2 can limit the motion direction of the pawl 7 on the relative right side, so that the pawl 7 can only move towards the relative right side, and the ratchet wheel 3 and the pawl 7 form a ratchet wheel structure, so that when the pawl 7 can only move towards the relative right side, the ratchet wheel can only move anticlockwise.

The above-described embodiments are merely preferred embodiments of the present invention, which are not intended to limit the present invention in any way. Those skilled in the art can make many changes and modifications to the disclosed embodiments, or modify the equivalent embodiments with equivalent variations, without departing from the scope of the disclosed embodiments. Therefore, the content of the technical scheme of the utility model, according to the equivalent change made by the idea of the utility model, should be covered in the protection scope of the utility model.

Claims (9)

1. An elbow connector usable in a narrow space, characterized in that: including ratchet spanner and adjustable clamp, wherein ratchet spanner includes ratchet (3), pawl (7), connecting axle (6), wrench body (1) and fixed apron (8), wrench body (1) is equipped with the inner chamber, ratchet (3) with pawl (7) all rotate connect in wrench body (1) the inner chamber just ratchet (3) with mutually support between pawl (7), and this ratchet (3) with pass through between the adjustable clamp connecting axle (6) coaxial coupling, fixed apron (8) closing cap the inner chamber of wrench body (1).

2. An elbow connector for use in narrow spaces according to claim 1, wherein: the adjustable clamp comprises a clamp base (9), a first clamp block (10) and a second clamp block (20), the first clamp block (10) and the second clamp block (20) are connected with the clamp base (9) through two sets of fixing screws (921) and fixing nuts (922) respectively, the first clamp block (10) and the second clamp block (20) are in sliding fit with the clamp base (9), and the clamp base (9) is provided with a connecting portion (91) which is used for being connected with the connecting shaft (6).

3. An elbow connector for use in narrow spaces according to claim 2, wherein: a first adjusting groove (101) for adjusting the clamping distance and connecting is formed in the first clamping block (10), and a second adjusting groove (201) for adjusting the clamping distance and connecting is formed in the second clamping block (20).

4. The corner connector for narrow spaces according to claim 1, wherein: the ratchet wrench is characterized in that a first reset spring (71) and a second reset spring (72) used for driving the ratchet pawl to reset are respectively arranged on two sides of the ratchet pawl (7), a first limiting hole (11) and a second limiting hole (12) are formed in the wrench body (1) and provided with a limiting screw (2), and one of the limiting screws is in threaded connection with the first limiting hole (11) and the second limiting hole (12) so as to switch limiting directions of the limiting screw to the ratchet pawl (7).

5. An elbow connector for use in narrow spaces according to claim 1, wherein: the tail of the connecting shaft (6) is provided with a movable button (4), and meanwhile, the connecting shaft (6) is sleeved with a compression spring (5) used for driving the movable button (4) to pop up.

6. An elbow connector for use in narrow spaces according to claim 2, wherein: the side part of the connecting shaft (6) is provided with a mounting hole (60), a limiting sub (61) and a spring for driving the limiting sub to extend out are arranged in the mounting hole (60), and meanwhile, a limiting groove (911) matched and connected with the limiting sub (61) is arranged in the connecting part (91).

7. The corner connector for narrow spaces according to claim 6, wherein: the front end of the connecting shaft (6) is provided with a plurality of groups of limiting pieces (61), and a plurality of groups of limiting grooves (911) matched with the limiting pieces (61) are arranged in the connecting part (91).

8. An elbow connector for use in narrow spaces according to claim 7, wherein: the end part of the limiter (61) is of a cambered surface structure, and the side surface of the limiter (61) is of a plane structure.

9. The corner connector for narrow spaces according to claim 7, wherein: the limiting lug (611) is formed on the limiting piece (61), and meanwhile, a limiting step (62) matched with the limiting lug (611) is formed in the mounting hole.

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