Utility model content
The utility model provides a kind of fastening tool, can apply the fastening of large-size workpiece, easy to operate, time saving and energy saving.
The utility model provides a kind of fastening tool, for the rotational fastener to oil pipe, comprising: wrench assembly and at least two
A various sizes of turnbarrel;
The turnbarrel is alternatively set in the outside of the oil pipe, and synchronous with the oil pipe turn of the turnbarrel
It is dynamic, the first connection structure is provided on the outer wall of the turnbarrel;
The wrench assembly includes the first wrench element and the second wrench element, first wrench element and second wrench element
Hingedly, to be collectively formed the circular arc to match with the turnbarrel, the end of first wrench element, which is provided with, to be used for and institute
The second connection structure that the first connection structure is detachably connected is stated, is provided with grip part on second wrench element.
Fastening tool provided by the embodiment of the utility model, by setting turnbarrel and wrench assembly, it can be achieved that oil pipe
Rotational fastener;Wrench assembly is hingedly formed using the first wrench element and the second wrench element, the workpiece suitable for larger size
It screws;Various sizes of turnbarrel is suitable for the fastening of various sizes of oil pipe, and applicability is high;First connection structure and second
The setting of connection structure realizes being fixedly connected between wrench assembly and turnbarrel, and the stability of operating process can be improved
And safety, it is time saving and energy saving;Fastening tool overall structure is simple, easy to operate.
Further, be set in the turnbarrel on the outside of the oil pipe internal diameter and outer diameter mutual of the oil pipe
Match.
Further, it is provided on the inner wall of the turnbarrel for mutually screwing with the external screw thread on the oil pipe
Internal screw thread.
Further, first connection structure includes the multiple location holes opened up on the outer wall of the turnbarrel,
Circumferentially-spaced arrangement of multiple location holes along the turnbarrel.
Further, second connection structure includes that can protrude into the protrusion of the positioning hole.
Further, first wrench element and second wrench element are by removably rotating pin connection.
Further, first wrench element is arc-shaped, and connecting far from described second for first wrench element is tied
One end of structure is provided with the spaced multiple axis holes of circumferential direction along the circular arc, and the axis hole is used to selecting one and wears institute
State rotational pin.
Further, second wrench element includes the interconnecting piece in arc-shaped, and one end of the interconnecting piece is held with described
Portion's connection is held, the other end of the interconnecting piece and first wrench element are hinged.
Further, the radian of the interconnecting piece and the radian and concave and convex direction of first wrench element are all the same.
Further, the grip part is straight-bar.
Fastening tool provided by the embodiment of the utility model is for fastening oil pipe, working principle and usage mode are as follows: first
First, turnbarrel, is set in the outside of oil pipe by the turnbarrel of selection and the matched suitable dimension of oil pipe;Then make hinged complete
At the size of wrench assembly and the size of turnbarrel match;It will hinged assembled first wrench element and the second wrench element
The circular arc of formation is fitted in outside turnbarrel, so that the second connection structure is connect with the first connection structure;Hand-held grip part, applies
External force, so that turnbarrel is relative to tubing spinning;Grip part is persistently pulled, turnbarrel is screwed, until turnbarrel is pacified
It is attached on oil pipe or disassembles turnbarrel from oil pipe.
Fastening tool provided by the embodiment of the utility model, by setting turnbarrel and wrench assembly, it can be achieved that oil pipe
Rotational fastener;Wrench assembly is hingedly formed using the first wrench element and the second wrench element, the workpiece suitable for larger size
It screws;Various sizes of turnbarrel is suitable for the fastening of various sizes of oil pipe, by changing the axis hole that penetrates of rotational pin
Position, the size of adjustable spanner component, to be suitable for various sizes of turnbarrel, applicability is high;First connection structure and
The setting of second connection structure realizes being fixedly connected between wrench assembly and turnbarrel, and the steady of operating process can be improved
Qualitative and safety, it is time saving and energy saving;Fastening tool overall structure is simple, easy to operate.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below in conjunction in the utility model
The technical solution in the utility model is clearly and completely described in attached drawing, it is clear that described embodiment is that this is practical
Novel a part of the embodiment, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people
Member's every other embodiment obtained without creative efforts, belongs to the model of the utility model protection
It encloses.
Below with reference to the accompanying drawings and in conjunction with specific embodiments the utility model is described.
Fig. 1 is the structural schematic diagram of fastening tool provided by the embodiment of the utility model, and Fig. 2 is the utility model embodiment
The structural schematic diagram of the wrench assembly of the fastening tool of offer, referring to fig. 1 and fig. 2, the utility model provide a kind of fastening
Tool, for the rotational fastener to oil pipe, comprising: wrench assembly 100 and at least two various sizes of turnbarrels 200;Rotation
Rotaring sleeve 200 is alternatively set in the outside of oil pipe, and turnbarrel 200 and oil pipe rotate synchronously, the outer wall of turnbarrel 200
On be provided with the first connection structure 21.
Wrench assembly 100 includes the first wrench element 11 and the second wrench element 12, the first wrench element 11 and the second wrench element 12
Hingedly, the circular arc to match with turnbarrel 200 is collectively formed, the end of the first wrench element 11 is provided with for connecting with first
The second connection structure 111 that binding structure 21 is detachably connected is provided with grip part 121 on the second wrench element 12.
Specifically, turnbarrel 200 has sizes, to be suitable for various sizes of oil pipe.Turnbarrel 200 is arranged
On the outside of oil pipe, and turnbarrel 200 and oil pipe rotate synchronously, and turnbarrel 200 plays the fastening effect to oil pipe.As for rotation
The connection type of rotaring sleeve 200 and oil pipe, is not particularly limited in the utility model embodiment, can be threaded connection,
In order to mount and dismount.
Turnbarrel 200 needs to screw it by wrench assembly 100 when set is set on the outside of oil pipe.Existing skill
Spanner size in art is small, it is clear that is not suitable for the fastening of oil pipe.And in the present embodiment, wrench assembly 100, wrench assembly are set
The outer diameter of 100 circular arcs and turnbarrel 200 formed matches, and can be looped around outside turnbarrel 200, and to turnbarrel
200 applications screw power.
Specifically, wrench assembly 100 includes the first wrench element 11 and the second wrench element 12, and the first wrench element 11 and second is pulled
Hand part 12 is hinged, the first wrench element 11 and the second wrench element 12 it is hinged position it is adjustable, to change 11 He of the first wrench element
The size for the circular arc that second wrench element 12 is collectively formed is suitable for various sizes of oil pipe and turnbarrel 200.
Wrench assembly 100 is slided relative to the outer wall of turnbarrel 200 in order to prevent, avoids that the feelings for screwing power can not be applied
Condition in the present embodiment, is provided with the first connection structure 21, in the end of the first wrench element 11 on the outer wall of turnbarrel 200
It is provided with the second connection structure 111 for connecting with the first connection structure 21, the first connection structure 21 and the second connection structure
After 111 are fixedly connected, wrench assembly 100 is fixed relative to the position of turnbarrel 200, screws power convenient for applying.
Specifically, the specific implementation of the first connection structure 21 and the second connection structure 111 is not done in the present embodiment
Concrete restriction.Optionally, the two can be respectively mutually matched groove and boss or mutually matched mounting hole and screw thread
Fastener etc. can be realized the function that the first connection structure 21 is fixedly connected with the second connection structure 111.
In addition, the first wrench element 11 and the second wrench element 12 are the structure of circular shape, the first wrench element 11 and second
The respective arc structure of wrench element 12 is equivalent to about the length of quarter circular arc, and semi arch can be substantially formed after the two is hinged.
It is to be appreciated that wrench assembly 100 is not easy to be socketed in outside turnbarrel 200 when the circular arc that the two is formed is much larger than semi arch,
When the circular arc that the two is formed is much smaller than semi arch, wrench assembly 100 needs to apply bigger external force and is just able to rotate turnbarrel 200,
Consume the physical strength of staff.
Further, turnbarrel 200 and wrench assembly 100 are required to using the material system with larger hardness and strength
At, such as steel or alloy product, to guarantee that fastening tool will not be damaged during fastening oil pipe, and have compared with
Long service life.
Fastening tool provided by the embodiment of the utility model is for fastening oil pipe, working principle and usage mode are as follows: first
First, turnbarrel 200, is set in the outside of oil pipe by the turnbarrel 200 of selection and the matched suitable dimension of oil pipe;Then will
The circular arc that hinged assembled first wrench element 11 and the second wrench element 12 are formed is fitted in outside turnbarrel 200, so that second
Connection structure 111 is connect with the first connection structure 21;Hand-held grip part 121 applies external force so that turnbarrel 200 relative to
Turnbarrel 200 is installed on oil pipe or disassembles from oil pipe by tubing spinning.
Fastening tool provided by the embodiment of the utility model, by setting turnbarrel and wrench assembly, it can be achieved that oil pipe
Rotational fastener;Wrench assembly is hingedly formed using the first wrench element and the second wrench element, the workpiece suitable for larger size
It screws;Various sizes of turnbarrel is suitable for the fastening of various sizes of oil pipe, and applicability is high;First connection structure and second
The setting of connection structure realizes being fixedly connected between wrench assembly and turnbarrel, and the stability of operating process can be improved
And safety, it is time saving and energy saving;Fastening tool overall structure is simple, easy to operate.
More detailed embodiment is used below, and the structure of each component is described in detail.
Fig. 3 is the structural schematic diagram of turnbarrel provided by the embodiment of the utility model, and Fig. 4 is the utility model embodiment
The another structural schematic diagram of the turnbarrel of offer is set in the turnbarrel 200 on the outside of oil pipe with reference to shown in Fig. 3 and Fig. 4
The outer diameter of internal diameter and oil pipe is mutually matched.It is to be appreciated that turnbarrel 200 is for fastening oil pipe, internal diameter and oil pipe it is outer
Diameter is mutually matched, to play better fastening effect.
Further, the interior spiral shell for mutually screwing with the external screw thread on oil pipe is provided on the inner wall of turnbarrel 200
Line.Turnbarrel 200 is connected by mutually matched external screw thread with internal screw thread with oil pipe, and threaded connection, which has, to be easily installed and tear open
The advantages of unloading should be in one's hands when turnbarrel 200 is installed on oil pipe using wrench assembly 100 along rotation direction of thread
Hold application external force at portion 121;When being disassembled turnbarrel 200 from oil pipe using wrench assembly 100, should be revolved to screw thread
Turn contrary direction and applies external force at grip part 121.The setting of screw thread, convenient for the installation and removal of turnbarrel 200.
Specifically, turnbarrel 200 has sizes, to be suitable for various sizes of oil pipe.Turnbarrel 200 is arranged
On the outside of oil pipe, and turnbarrel 200 and oil pipe rotate synchronously, and turnbarrel 200 plays the fastening effect to oil pipe.Rotary sleeve
Cylinder 200 needs to be made of the material with larger hardness and strength, such as steel or alloy product, to guarantee that it is being fastened
It will not be damaged in the use process of oil pipe and oil pipe, and there is longer service life.
With continued reference to shown in Fig. 3 and Fig. 4, the first connection structure 21 include opened up on the outer wall of turnbarrel 200 it is more
A location hole, circumferentially-spaced arrangement of multiple location holes along turnbarrel 200;Refering to what is shown in Fig. 2, the second connection structure 111 is wrapped
Include the protrusion that can protrude into positioning hole.
Specifically, the protrusion on wrench assembly 100 can protrude into the location hole on turnbarrel 200, due to location hole pair
The position-limiting action of protrusion, wrench assembly 100 cannot be arbitrarily mobile relative to turnbarrel 200, convenient for 100 pairs of wrench assembly rotations
The application of sleeve 200 screws power.Turnbarrel 200 and wrench assembly 100 are connected by the way of protrusion and location hole cooperation, is had
The advantages of being conveniently replaceable link position.Hand-held grip part 121, twists turnbarrel 200 using lever principle, can effectively realize rotation
Installation and removal of the rotaring sleeve 200 relative to oil pipe.
The quantity of location hole is set as multiple, and multiple location holes are along the circumferentially-spaced arrangement of turnbarrel 200, rotary sleeve
After cylinder 200 rotates any angle, the protrusion on wrench assembly 100 can protrude into the positioning of the suitable position on turnbarrel 200
Hole, in order to the operation of staff.If the negligible amounts of location hole, certainly exist when turnbarrel 200 turns to certain
After one angle, location hole is not easy the angle protruded into protrusion or wrench assembly 100 is not easy the angle pulled, and improves
Operation difficulty influences working efficiency.
It should be noted that may be worn after long-time service since the volume of location hole and protrusion is relatively small,
After the protrusion on wrench assembly 100 is protruded into the location hole on turnbarrel 200 in use process, location hole is lost
Opposite sliding occurs to the position-limiting action of protrusion, between wrench assembly 100 and turnbarrel 200, leads to the difficulty for applying external force
Increase, and increases security risk.Therefore, it is nonabradable material that location hole and protrusion, which should be arranged, to improve its wearability
Energy and service life.Alternatively, when the raised serious wear on wrench assembly 100, the first wrench element 11 for more renewing in time.
Fig. 5 is the structural schematic diagram of the first wrench element provided by the embodiment of the utility model, and Fig. 6 is the utility model implementation
The structural schematic diagram for the second wrench element that example provides, with reference to shown in Fig. 5 and Fig. 6, the first wrench element 11 and the second wrench element 12 are logical
Dismountable rotational pin 112 is crossed to connect.First wrench element 11 and the second wrench element 12 are by dismountable rotational pin 112 hinged
Position can change, and to change the size for the circular arc that the first wrench element 11 and the second wrench element 12 are collectively formed, be suitable for difference
The oil pipe and turnbarrel 200 of size.
Specifically, the first wrench element 11 be arc-shaped, and the first wrench element 11 far from the second connection structure 111 one end
It is provided with the spaced multiple axis holes 113 of circumferential direction along circular arc, axis hole 113 is used to selecting one and wears rotational pin 112.It is right
Ying Di, the end of the second wrench element 12 are also equipped with mounting hole, and rotational pin 112 passes through the mounting hole and one of axis hole
113, the first wrench element 11 and the second wrench element 12 is hinged.
Multiple axis holes 113, which are used to select one, wears rotational pin 112, total to change the first wrench element 11 and second wrench element 12
With the size of the circular arc formed, it is suitable for various sizes of oil pipe and turnbarrel 200.Multiple axis holes 113 are along the first wrench element
The circumferential direction of 11 circular arc is alternatively arranged, the structure proximate being collectively formed with the first wrench element 11 of guarantee and the second wrench element 12
In arc structure, so that wrench assembly 100 is more bonded with the outer wall of turnbarrel 200.
It should be noted that the specific structure of the first wrench element 11 and the second wrench element 12 was not limited to the above embodiment
Description.For example, the spaced multiple axis holes of circumferential direction along circular arc also can be set on the second wrench element 12, equally may be used
Realize the effect for changing the size for the circular arc that the first wrench element 11 and the second wrench element 12 are collectively formed.
On the basis of above-mentioned utility model embodiment, the second wrench element 12 includes the interconnecting piece 122 in arc-shaped, connection
The one end in portion 122 is connect with grip part 121, and the other end of interconnecting piece 122 and the first wrench element 11 are hinged.The arc of interconnecting piece 122
Degree is all the same with the radian and concave and convex direction of the first wrench element 11, after guaranteeing that interconnecting piece 122 and the first wrench element 11 are hinged
The arc structure of formation matches with turnbarrel 200.
First wrench element 11 and interconnecting piece 122 are the structure of circular shape, and the first wrench element 11 and interconnecting piece 122 are respective
Arc structure be equivalent to about the length of quarter circular arc, semi arch can be substantially formed after the two is hinged.It is to be appreciated that two
When the circular arc that person is formed is much larger than semi arch, wrench assembly 100 is not easy to be socketed in outside turnbarrel 200, the circle that the two is formed
When arc is much smaller than semi arch, wrench assembly 100 needs to apply bigger external force and is just able to rotate turnbarrel 200, consumes work people
The physical strength of member.
Structure type of the grip part 121 in the utility model embodiment is not particularly limited, optionally, grip part 121
For straight-bar, it is convenient for applying external force.Grip part 121 may be set to be the structure for facilitating gripping of bent rod or other forms.
Fastening tool provided by the embodiment of the utility model is for fastening oil pipe, working principle and usage mode are as follows: first
First, turnbarrel 200, is set in the outside of oil pipe by the turnbarrel 200 of selection and the matched suitable dimension of oil pipe;Then root
According to the size of turnbarrel 200, the position for the axis hole 113 that rotational pin 112 is inserted into is determined, so that the wrench assembly hingedly completed
100 size and the size of turnbarrel 200 match.
Then, the circular arc that hinged assembled first wrench element 11 and the second wrench element 12 are formed is fitted in turnbarrel
Outside 200, so that the second connection structure 111 is connect with the first connection structure 21;Hand-held grip part 121, applies external force, so that rotation
Sleeve 200 is relative to tubing spinning;Change the position for the location hole that protrusion protrudes into, to select the angle preferably convenient for applying external force
Degree;Grip part 121 is persistently pulled, turnbarrel 200 is screwed, until turnbarrel 200 to be installed on oil pipe or will rotate
Sleeve 200 is disassembled from oil pipe.
Fastening tool provided by the embodiment of the utility model, by setting turnbarrel and wrench assembly, it can be achieved that oil pipe
Rotational fastener;Wrench assembly is hingedly formed using the first wrench element and the second wrench element, the workpiece suitable for larger size
It screws;Various sizes of turnbarrel is suitable for the fastening of various sizes of oil pipe, by changing the axis hole that penetrates of rotational pin
Position, the size of adjustable spanner component, to be suitable for various sizes of turnbarrel, applicability is high;First connection structure and
The setting of second connection structure realizes being fixedly connected between wrench assembly and turnbarrel, and the steady of operating process can be improved
Qualitative and safety, it is time saving and energy saving;Fastening tool overall structure is simple, easy to operate.
In the description of the present invention, it should be understood that used term " center ", " length ", " width ",
" thickness ", " top ", " bottom end ", "upper", "lower", "left", "right", "front", "rear", "vertical", "horizontal", "inner", "outside" " axis
To ", the indicating positions such as " circumferential direction " or positional relationship be to be based on the orientation or positional relationship shown in the drawings, be merely for convenience of describing
The utility model and simplified description, rather than the position of indication or suggestion meaning or original part must have a particular orientation, with spy
Fixed construction and operation, therefore should not be understood as limiting the present invention.
In addition, term " first ", " second " are used for descriptive purposes only and cannot be understood as indicating or suggesting relative importance
Or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be expressed or
Implicitly include one or more of the features.In the description of the present invention, the meaning of " plurality " is at least two, example
Such as two, three, unless otherwise specifically defined.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. shall be understood in a broad sense, such as may be a fixed connection, may be a detachable connection, or be integrally formed;It can be machinery
Connection is also possible to be electrically connected or can communicate with each other;It can be directly connected, the indirect phase of intermediary can also be passed through
Even, the connection inside two elements or the interaction relationship of two elements can be made.For those of ordinary skill in the art
For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature the "upper" of second feature or it
"lower" may include that the first and second features directly contact, and also may include that the first and second features are not direct contacts but lead to
Cross the other characterisation contact between them.Moreover, fisrt feature includes above the second feature " above ", " above " and " above "
One feature is right above second feature and oblique upper, or is merely representative of first feature horizontal height higher than second feature.First is special
Sign is directly below and diagonally below the second feature including fisrt feature under the second feature " below ", " below " and " below ", or only
Indicate that first feature horizontal height is less than second feature.
Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited
System;Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should
Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of
Technical characteristic is equivalently replaced;And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new
The range of each embodiment technical solution of type.