CN214393855U

CN214393855U - Pressing clamp for clamping and pressing pipeline

Info

Publication number: CN214393855U
Application number: CN202120615341.5U
Authority: CN
Inventors: 季滔
Original assignee: NINGBO YONGXIANG COPPER PIPELINE CO Ltd
Current assignee: NINGBO YONGXIANG COPPER PIPELINE CO Ltd
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-10-15
Anticipated expiration: 2031-03-26

Abstract

The utility model relates to a pressing tongs for pressing pipeline, wherein, including the connecting rod, the first in command, second in command and two pressing tong heads, two pressing tong heads are connected respectively to the first in command and second in command, the connecting rod both ends are rotated respectively and are connected two pressing tong heads, the homogeneous phase is kept silent to being equipped with pressing tong tooth and semi-circular through-hole form on two pressing tong heads, and pressing tong tooth position in the both sides of keeping silent, when two are kept silent closed, the crisscross interlock of pressing tong tooth on two pressing tong heads, two pressing tong heads can compare ordinary pressing tongs further pressfitting when setting up of pressing tong tooth can make this pressing tongs use, reduce the squeezing action to the pipeline, carry out the easy pipeline surface that damages after the clamping is fixed to the pipeline with solving prior art middle pressure tongs, thereby influence the technical problem of the unable normal use of pipeline aesthetic measure even.

Description

Pressing clamp for clamping and pressing pipeline

Technical Field

The utility model relates to a mechanical tool technical field specifically says and indicates a press plier for pressing pipeline.

Background

When the pipelines are fixedly sleeved, the connecting part of the two pipelines needs to be extruded by using a pressing clamp so as to achieve the purpose of fixing the two pipelines. After the pressing pliers in the prior art clamp and fix a pipeline, bulges at the position of a pipeline joint often due to the extrusion effect of two pressing pliers heads, the surface of the pipeline is damaged, and the attractiveness of the pipeline is influenced or even the normal use of the pipeline is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to prior art not enough, the utility model is to provide a press tongs for pressing pipeline to solve prior art middling pressure pincers and carry out the press to the pipeline and damage the pipeline surface easily after fixed, thereby influence the technical problem of the unable normal use even of the pleasing to the eye degree of pipeline.

In order to solve the technical problem, the utility model provides a pressing tongs for pressing pipeline, wherein, including connecting rod, the first in command, the second in command and two pressing tong heads, two pressing tong heads are connected respectively to the first in command and the second in command, and two pressing tong heads are connected in the rotation respectively at the connecting rod both ends, and two pressing tong heads are gone up the homogeneous phase and are equipped with pressing tong teeth and semi-circular through hole form and keep silent, and pressing tong teeth position in both sides of keeping silent, when two keep silent closed, the crisscross interlock of pressing tong teeth on two pressing tong heads.

After the structure is adopted, the utility model relates to a pressing tongs for pressing pipeline has following advantage: the setting of pressing tong tooth can make two pressing tong heads can compare ordinary pressing tong further pressfitting when this pressing tong uses, reduces the squeezing action to the pipeline to reduce because of the bulge that the pipeline was extruded and produced.

As an improvement, the side face of each pressing tong tooth adjacent to the jaw is provided with an inclined surface, the included angle between each inclined surface and the tooth crest face of the adjacent pressing tong tooth is the same, and the included angle range a between the inclined surfaces at the two sides of each pressing tong head is 30-45 degrees. By adopting the structure, the inclined plane plays a role in guiding and extruding the bulge generated by extrusion, and the bulge generated by clamping and pressing the pipeline by the pressing pliers can be further reduced.

As an improvement, annular flanges are arranged on the pressing jaw faces on two sides of each jaw, and the annular flanges and the jaws are coaxial. By adopting the structure, the contact area between the pressing tong head and the pipeline can be increased, the pressure of the pressing tong head to the pipeline is reduced, and the pipeline is prevented from being damaged.

As an improvement, still include first connecting rod and fourth connecting rod, first connecting rod one end is rotated and is connected one of them pressure pincers head, the other end is rotated and is connected with the second connecting rod, the second connecting rod other end is pegged graft in the first in command, integrated into one piece has the third connecting rod on the second connecting rod, the one end that is close to first connecting rod on the second connecting rod is connected to third connecting rod one end, the other end is toward keeping away from the extension of second connecting rod direction, the fourth connecting rod is the L font, the fourth connecting rod department of bending rotates and connects another pressure pincers head, the longer end is pegged graft in the second in command, the shorter end is toward being close to the extension of third connecting rod direction and rotate and connect the one end of keeping away from the second connecting rod on the third connecting rod. By adopting the structure, the pressing clamp can be used more flexibly and the force is more convenient to apply,

as an improvement, a first bulge is arranged on the third connecting rod, a second bulge is arranged on the fourth connecting rod, and when the pressing tong teeth are completely meshed, the first bulge contacts with the second bulge. By adopting the structure, when the pressing tong teeth are completely occluded, the first bulge is contacted with the second bulge, so that the pressing tong teeth can be prevented from being damaged due to the over-violent force of a user.

As an improvement, a bolt is connected to the first connecting rod in a threaded mode, penetrates through the first connecting rod and abuts against the third connecting rod. Adopt this kind of structure, after this pressing tongs is used for a long time, the pressing tongs tooth causes wearing and tearing easily and leads to its clearance of keeping silent too big, can lead to the fact the influence to the pipeline pressfitting, at this moment, can screw up the bolt and make first connecting rod and third connecting rod be close to mutually, enables the further interlock of pressing tongs tooth after wearing and tearing, makes the clearance of keeping silent reduce for the pipeline fills partial pressure and merges and satisfy the demand.

As an improvement, the two connecting rods are respectively arranged on two sides of the pressing tong head. By adopting the structure, the connecting rods on two sides are arranged, so that the pressing jaw is more stable when in use.

Drawings

Fig. 1 is a schematic view of the three-dimensional structure of the jaw of the present invention when opened.

Fig. 2 is a partially enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic view of the three-dimensional structure of the present invention when the jaws are closed.

Fig. 4 is a schematic plan view of the jaw portion of the present invention.

Reference numerals: 1. a connecting rod; 2. a first handle; 3. a second handle; 4. pressing a tong head; 5. pressing clamp teeth; 6. a jaw; 7. a bevel; 8. an annular flange; 9. a first protrusion; 10. a second protrusion; 11. a first link; 12. a second link; 13. a third link; 14. a fourth link; 15. and (4) bolts.

Detailed Description

The following describes in detail a pressing pliers for clamping and pressing a pipe according to the present invention with reference to the accompanying drawings.

As shown in fig. 1 to 4, a pressing pliers for pressing a pipe comprises a connecting rod 1, a first handle 2, a second handle 3 and two pressing pliers heads 4. Connecting rod 1 is two, and two connecting rods 1 are located the binding clip 4 both sides respectively, and just every connecting rod 1 is both ends and rotates respectively to be connected on two binding clip 4. The two pressing tong heads 4 are respectively and oppositely provided with a pressing tong tooth 5 and a semicircular through hole-shaped tong mouth 6, the pressing tong teeth 5 are positioned at two sides of the tong mouth 6, and when the two tong mouths 6 are closed, the pressing tong teeth 5 on the two pressing tong heads 4 are engaged in a staggered way. In this embodiment, three pressing teeth 5 are provided.

The side surface of each pressing tong tooth 5 adjacent to the jaw 6 is provided with an inclined surface 7, the included angle between each inclined surface 7 and the tooth crest surface of the adjacent pressing tong tooth 5 is the same, and the included angle range a between the inclined surfaces 7 on the two sides of each pressing tong head 4 is 30-45 degrees. In the present embodiment, this angle a is preferably 37 °.

The pressing jaw 4 on both sides of each jaw 6 is provided with an annular flange 8, and the annular flange 8 and the jaw 6 are coaxial.

The press jaw also comprises a first link 11 and a fourth link 14. One end of the first connecting rod 11 is rotatably connected with one of the clamp heads 4, the other end of the first connecting rod is rotatably connected with the second connecting rod 12, the other end of the second connecting rod 12 is inserted into the first handle 2, the second connecting rod 12 is integrally formed with the third connecting rod 13, one end of the third connecting rod 13 is connected with one end, close to the first connecting rod 11, of the second connecting rod 12, and the other end of the third connecting rod extends in the direction away from the second connecting rod 12. The fourth connecting rod 14 is L-shaped, the bent part of the fourth connecting rod 14 is rotatably connected with the other pliers head 4, the longer end of the fourth connecting rod is inserted into the second handle 3, and the shorter end of the fourth connecting rod extends towards the direction close to the third connecting rod 13 and is rotatably connected with one end of the third connecting rod 13, which is far away from the second connecting rod 12. The third connecting rod 13 is provided with a first protrusion 9, the fourth connecting rod 14 is provided with a second protrusion 10, and when the pincer teeth 5 are completely occluded, the first protrusion 9 contacts the second protrusion 10. The first connecting rod 11 is connected with a bolt 15 in a threaded manner, and the bolt 15 penetrates through the first connecting rod 11 and abuts against the third connecting rod 13.

In use, the first handle 2 and the second handle 3 are held in hand to exert force in opposite directions so as to open the jaws 6, so that a pipeline can enter the jaws 6. The first handle 2 and the second handle 3 are then rotated towards each other so that the jaws 6 are closed and the pipe is clamped under the squeezing action of the pressure jaws 4. Due to the arrangement of the pressing clamp teeth 5, the jaw 6 can be further closed compared with the existing ordinary pressing clamp, and meanwhile, the inclined plane 7 plays a role in guiding and extruding the generated bulge, so that the purpose of reducing the bulge generated by the pipeline due to the extrusion effect of the pressing clamp head is achieved. After the pressing pliers are used for a long time, the pressing pliers teeth 5 are easily abraded, so that gaps of the jaws 6 are too large, and the pressing of a pipeline is influenced. At this time, the bolt 15 can be tightened to make the first link 11 and the third link 13 approach each other, so that the worn clamp teeth 5 can be further occluded, the gap between the jaws 6 can be reduced, and the pipeline can be sufficiently pressurized and meet the requirement.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above-mentioned one, and all other embodiments obtained by those skilled in the art without any inventive work belong to the protection scope of the present invention.

Claims

1. The pressing tongs for clamping and pressing pipelines are characterized by comprising a connecting rod (1), a first handle (2), a second handle (3) and two pressing tong heads (4), wherein the first handle (2) and the second handle (3) are respectively connected with the two pressing tong heads (4), two ends of the connecting rod (1) are respectively and rotatably connected with the two pressing tong heads (4), pressing tong teeth (5) and semicircular through hole-shaped tong mouths (6) are oppositely arranged on the two pressing tong heads (4), the pressing tong teeth (5) are positioned on two sides of the tong mouths (6), and when the two tong mouths (6) are closed, the pressing tong teeth (5) on the two pressing tong heads (4) are meshed in a staggered mode.

2. A press jaw for pressing pipes according to claim 1, characterized in that each of said press jaw teeth (5) is provided with a bevel (7) on the side adjacent to said jaw (6), the included angle between each bevel (7) and the crest of the adjacent press jaw tooth (5) is the same, and the included angle between the bevels (7) on both sides of each press jaw head (4) ranges from 30 degrees to 45 degrees.

3. Pressing pliers according to claim 1, characterized in that the face of the head (4) on each side of the jaw (6) is provided with an annular flange (8), the annular flange (8) being coaxial with the jaw (6).

4. The pressing tongs for clamping and pressing a pipeline according to claim 1, further comprising a first connecting rod (11) and a fourth connecting rod (14), wherein one end of the first connecting rod (11) is rotatably connected with one of the pressing tongs head (4), the other end of the first connecting rod (11) is rotatably connected with a second connecting rod (12), the other end of the second connecting rod (12) is inserted into the first handle (2), a third connecting rod (13) is integrally formed on the second connecting rod (12), one end of the third connecting rod (13) is connected with one end of the second connecting rod (12) close to the first connecting rod (11), the other end of the third connecting rod extends in a direction away from the second connecting rod (12), the fourth connecting rod (14) is L-shaped, the bent part of the fourth connecting rod (14) is rotatably connected with the other pressing tongs head (4), and the longer inserting end is arranged in the second handle (3), the shorter end extends towards the direction close to the third connecting rod (13) and is rotatably connected with one end of the third connecting rod (13) far away from the second connecting rod (12).

5. A press jaw for clamping pipes according to claim 4, characterized in that the third link (13) is provided with a first protrusion (9) and the fourth link (14) is provided with a second protrusion (10), the first protrusion (9) contacting the second protrusion (10) when the press jaw teeth (5) are fully engaged.

6. A press clamp for clamping pipes according to claim 4 or 5, characterized in that a bolt (15) is screwed onto the first link (11), said bolt (15) penetrating the first link (11) and abutting against the third link (13).

7. The pipe crimping tool according to claim 1, wherein the number of the connecting rods (1) is two and the two connecting rods are respectively arranged on two sides of the crimping tool head (4).