CN208196627U - A kind of combination wrench - Google Patents
A kind of combination wrench Download PDFInfo
- Publication number
- CN208196627U CN208196627U CN201820463604.3U CN201820463604U CN208196627U CN 208196627 U CN208196627 U CN 208196627U CN 201820463604 U CN201820463604 U CN 201820463604U CN 208196627 U CN208196627 U CN 208196627U
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- CN
- China
- Prior art keywords
- wrench
- connecting pin
- working end
- reinforcing portion
- combination
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Abstract
The utility model relates to dismantling device technical fields, more particularly to a kind of combination wrench, including reinforcing portion and multiple wrench portions, wrench portion includes working end and connecting pin, working end and connecting pin are in predetermined angle, and working end is provided with inner hole, and internal via shape is identical as fastener shape, predetermined angle between the working end of multiple wrench portions and connecting pin is different, and the selectable connecting pin with any wrench portion in reinforcing portion is detachably connected.Combination wrench provided by the utility model extends the torque arm length of wrench portion, increases the torque acted on fastener, effectively promotion fastening effect, guarantee the connection reliability of fastener by the way that the wrench portion being detachably connected and reinforcing portion is arranged；The predetermined angle and each section length between working end and connecting pin can be set according to practical operation operating condition and operating space, adjustment is flexible, convenient for being operated in small space, compared to finished product spanner, applicability is stronger, especially suitable for construction of the large scale industry pipeline at narrow location.
Description
Technical field
The utility model relates to dismantling device technical field more particularly to a kind of combination wrenches.
Background technique
During building pipe constructs especially large scale industry pipeline construction, between pipeline and pipeline and pipeline and valve
It is often connected by screw bolts between the equipment such as door.Due to the characteristic of engineering construction duration, Pipe installing is completed to final linkage examination
Often the period is longer between pressure, or even the multiple winters alternates with summer of experience, causes junction to be expanded with heat and contract with cold, bolt looseness, in pressure testing
Generally require secondary fastening, at this time bolt due to the set-up time it is longer, phenomena such as often getting rusty, simultaneously because operating space
Limitation, spanner rotation is difficult, it is difficult to effective fastening bolt.Fixing pipeline is mainly pulled using the finished product sold in the market at present
Hand, but the armed lever of finished product spanner is generally shorter, the torque that when operation acts on bolt are relatively small, it may appear that bolt fastening is not
The case where in place, and since part operation space is excessively narrow, it is difficult to operate using common finished tool.
Therefore, need a kind of combination wrench, with solve it is existing using common finished product spanner when bolt fastening it is not in place and
The unworkable problem of narrow zone.
Utility model content
The purpose of this utility model is to provide a kind of combination wrenches, can effectively increase torque, elevator bolt fastening effect
Fruit, and adjustable work angle, convenient for constructing in narrow space.
For this purpose, the utility model uses following technical scheme:
A kind of combination wrench, including reinforcing portion and multiple wrench portions, the wrench portion include working end and connecting pin, described
Working end and the connecting pin are in predetermined angle, and the working end is provided with inner hole, the internal via shape and fastener shape phase
Together, the working end of multiple wrench portions is different from the predetermined angle between the connecting pin, and the reinforcing portion may be selected
Be detachably connected with the connecting pin of any wrench portion.
As the optimal technical scheme of combination wrench, the range of the predetermined angle is 90 ° -180 °.
As the optimal technical scheme of combination wrench, the working end and the connecting pin are integrally machined molding.
As the optimal technical scheme of combination wrench, the inner hole is hexagon ring or 12 corner apertures.
As the optimal technical scheme of combination wrench, the reinforcing portion is straight steel pipe.
As the optimal technical scheme of combination wrench, round end is processed into the working end, and the connecting pin is provided with first
Connecting hole.
As the optimal technical scheme of combination wrench, one end that the reinforcing portion is connect with the wrench portion be it is flat and
It can be set in outside the connecting pin, be disposed radially in the reinforcing portion there are two the second connecting hole, two described second connect
The axis in hole is overlapped, and when the reinforcing portion is set in outside the connecting pin, the inner wall in the reinforcing portion and the connecting pin are close
Fitting, the axis of first connecting hole are overlapped with the axis of two second connecting holes.
As the optimal technical scheme of combination wrench, first connecting hole and second connecting hole are threaded hole.
As the optimal technical scheme of combination wrench, the wrench portion is detachably connected with the reinforcing portion by bolt.
As the optimal technical scheme of combination wrench, the wrench portion is cut by steel plate.
Compared with prior art, the advantages of the utility model and beneficial effect is:
1) combination wrench provided by the utility model is extended and is pulled by the way that the wrench portion being detachably connected and reinforcing portion is arranged
The torque arm length of hand increases the torque acted on fastener, to effectively promote fastening effect, guarantees the company of fastener
Connect reliability；Predetermined angle between working end and connecting pin and each can be set according to actual operation operating condition and operating space
Partial-length, flexibly, convenient for operating in small space, compared to finished product spanner on the market, applicability is stronger, especially suitable for adjustment
For construction of the large scale industry pipeline at narrow location.
2) wrench portion of combination wrench provided by the utility model can voluntarily cut system using the steel plate clout at operation scene
At the length of wrench portion and its inner hole aperture of working end sets itself, materials conveniently, can also make letter according to actual needs
It is single, the utilization again of waste material is realized, manufacturing cost is effectively saved, is good for the environment energy conservation.
3) it is bolted between the wrench portion of combination wrench provided by the utility model and reinforcing portion, forms combination work
Tool operated, carry it is convenient, reuse can be had enough to meet the need, can effectively prevent using when slipping phenomenon, improve the steady of operation
It is qualitative.
Detailed description of the invention
Fig. 1 is the structural schematic diagram one of the wrench portion of combination wrench provided by the utility model；
Fig. 2 is the structural schematic diagram two of the wrench portion of combination wrench provided by the utility model
Fig. 3 is the structural schematic diagram in the reinforcing portion of combination wrench provided by the utility model；
Fig. 4 is the structural schematic diagram one of combination wrench provided by the utility model；
Fig. 5 is the structural schematic diagram two of combination wrench provided by the utility model；
Fig. 6 is the use schematic diagram of combination wrench provided by the utility model.
In figure:
1- wrench portion；2- reinforcing portion；3- fastener；4- bolt；
The working end 11-；The connecting pin 12-；111- inner hole；The first connecting hole of 121-；
The second connecting hole of 21-.
Specific embodiment
The technical solution of the utility model is further illustrated with embodiment with reference to the accompanying drawing.It is understood that this
Locate described specific embodiment and is used only for explaining the utility model, rather than the restriction to the utility model.It further needs exist for
Illustrate, illustrates only part relevant to the utility model for ease of description, in attached drawing and not all.
The present embodiment provides a kind of combination wrenches, as shown in figs 1 to 6, including reinforcing portion 2 and multiple wrench portions 1, spanner
Portion 1 includes working end 11 and connecting pin 12, is in predetermined angle between working end 11 and connecting pin 12, working end 11 is provided with inner hole
111,111 shape of inner hole is identical as 3 shape of fastener, the preset angle between the working end 11 and connecting pin 12 of multiple wrench portions 1
Degree is different, and the selectable connecting pin 12 with any wrench portion 1 in reinforcing portion 2 is detachably connected.
The working end 11 of wrench portion 1 directly acts on fastener 3 to be operated, the connecting pin in reinforcing portion 2 and wrench portion 1
12 are detachably connected, and extend the torque arm length of wrench portion 1, increase the torque acted on fastener 3, to effectively be promoted
Fastening effect guarantees the connection reliability of fastener 3；Working end 11 can be set according to actual operation operating condition and operating space
Predetermined angle and each section length between connecting pin 12, adjustment flexibly, are convenient for operating in small space, compared on the market
Finished product spanner, applicability is stronger, especially suitable for construction of the large scale industry pipeline at narrow location.
Further, wrench portion 1 is cut by steel plate, it is preferable that referring to Fig. 1 and Fig. 2, working end 11 and connection
End 12 is integrally machined excision forming.The wrench portion 1 of combination wrench can be voluntarily cut into using the steel plate clout at operation scene, because
111 aperture of inner hole of the length and working end 11 of this working end 11 and connecting pin 12 can also sets itself according to actual needs, take
Material is convenient, and production is simple, realizes the utilization again of waste material, effectively saves manufacturing cost, be good for the environment energy conservation.As excellent
Choosing, to guarantee that use intensity, the wrench portion 1 in the present embodiment are cut by the steel plate of 20mm-30mm, certainly, wrench portion 1
It can be made by plant produced.
The predetermined angle of working end 11 and connecting pin 12 ranges preferably from 90 ° -180 ° in the present embodiment, it is preferable that this
Wrench portion in embodiment includes two kinds of forms, and one form of them is as shown in Figure 1, the angle of working end 11 and connecting pin 12 is
Obtuse angle is suitable for narrow space and operates with；Another form is as shown in Fig. 2, the angle of working end 11 and connecting pin 12 is
180 °, it is suitable for spacious wide space and operates with.It can be selected in practice according to the field condition of construction operation, as long as
It is the job requirements for being able to satisfy narrow space, offers convenience for operation, the present embodiment does not make too many restrictions.
Fastener 3 in the present embodiment is the nut of nut or bolt, it is preferable that the working end 11 of wrench portion 1 processes
At round end, inner hole 111 thereon is cut into hexagon ring or 12 corner apertures according to the outer diameter of fastener 3, can when making wrench portion 1
It is selected according to actual needs, the inner hole 111 of the present embodiment is preferably hexagon ring.The connecting pin 12 of wrench portion 1 is provided with
One connecting hole 121, the first connecting hole 121 are threaded hole.
Further, referring to Fig. 3-Fig. 5, reinforcing portion 2 is straight steel pipe, and it is flat set that one end can be tapped by external force
It being located at outside the connecting pin 12 of wrench portion 1, reinforcing portion 2 is radially correspondingly arranged in junction there are two the second connecting hole 21, and two
The axis of second connecting hole 21 is overlapped, and the second connecting hole 21 is identical and equal sized as 121 shape of the first connecting hole, when reinforcing portion
2 be set in connecting pin 12 it is outer when, inner wall and the connecting pin 12 in reinforcing portion 2 fit closely, and the axis and two of the first connecting hole 121
The axis of a second connecting hole 21 is overlapped.Preferably, the second connecting hole 21 is threaded hole, as the first connecting hole 121 and two the
After two connecting holes 21 are aligned respectively, wrench portion 1 and reinforcing portion 2 are detachably connected by wearing bolt 4, realize spanner
Portion 1 is linked together with reinforcing portion 2, can be effectively prevent when in use using the connection of bolt 4, and wrench portion 1 and reinforcing portion 2 skid and take off
It opens.When the Tightening moment needed for fastening bolt is not too big, tightening operation directly can be carried out using wrench portion 1, and when tight
When Tightening moment needed for fixing bolt increases, the reinforcing portion 2 that can use I type increases the torque arm length of wrench portion 1, utilizes lever
Principle effectively increases Tightening moment, promotes fastening effect.
The applicable scene and application method of the combination wrench of two kinds of forms are further illustrated below with reference to Fig. 6:
For the pipeline bolt fastening at spaciousness: when the Tightening moment needed for bolt is not too big, can directly utilize
Wrench portion 1 shown in Fig. 2 carries out tightening operation, when needing to increase Tightening moment, can use combination wrench shown in fig. 5 into
Row operation.
For the pipeline bolt fastening of stenosis: when the Tightening moment needed for bolt is not too big, can directly utilize
Wrench portion 1 shown in FIG. 1 carries out tightening operation, when needing to increase Tightening moment, can use combination wrench shown in Fig. 4 into
Row operation.
Obviously, the above embodiments of the present invention is used for the purpose of clearly illustrating examples for clearly illustrating the present invention, and
It is not limitations of the embodiments of the present invention.For those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways.There is no need and unable to give all embodiments
Exhaustion.Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention etc., should be included in
Within the protection scope of the utility model claims.
Claims (10)
1. a kind of combination wrench, which is characterized in that including reinforcing portion (2) and multiple wrench portions (1), the wrench portion (1) includes
Working end (11) and connecting pin (12), the working end (11) and the connecting pin (12) are in predetermined angle, the working end
(11) it is provided with inner hole (111), inner hole (111) shape is identical as fastener (3) shape, multiple wrench portions (1)
The working end (11) is different from the predetermined angle between the connecting pin (12), the reinforcing portion (2) it is selectable with it is any
The connecting pin (12) of the wrench portion (1) is detachably connected.
2. combination wrench according to claim 1, which is characterized in that the range of the predetermined angle is 90 ° -180 °.
3. combination wrench according to claim 2, which is characterized in that the working end (11) and the connecting pin (12) one
Body machine-shaping.
4. combination wrench according to claim 1, which is characterized in that the inner hole (111) is hexagon ring or 12 corner apertures.
5. combination wrench according to claim 1, which is characterized in that the reinforcing portion (2) is straight steel pipe.
6. combination wrench according to claim 5, which is characterized in that the working end (11) is processed into round end, the company
It connects end (12) and is provided with the first connecting hole (121).
7. combination wrench according to claim 6, which is characterized in that the reinforcing portion (2) connect with the wrench portion (1)
One end be it is flat and the connecting pin (12) can be set in outside, be disposed radially that there are two second on the reinforcing portion (2)
The axis of connecting hole (21), two second connecting holes (21) is overlapped, and the reinforcing portion (2) is set in the connecting pin (12)
When outer, inner wall and the connecting pin (12) of the reinforcing portion (2) are fitted closely, the axis of first connecting hole (121) with
The axis of two second connecting holes (21) is overlapped.
8. combination wrench according to claim 7, which is characterized in that first connecting hole (121) and described second connects
Connecing hole (21) is threaded hole.
9. combination wrench according to claim 8, which is characterized in that the wrench portion (1) passes through with the reinforcing portion (2)
Bolt (4) is detachably connected.
10. combination wrench according to claim 1, which is characterized in that the wrench portion (1) is cut by steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820463604.3U CN208196627U (en) | 2018-04-03 | 2018-04-03 | A kind of combination wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820463604.3U CN208196627U (en) | 2018-04-03 | 2018-04-03 | A kind of combination wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208196627U true CN208196627U (en) | 2018-12-07 |
Family
ID=64526373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820463604.3U Active CN208196627U (en) | 2018-04-03 | 2018-04-03 | A kind of combination wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208196627U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110625556A (en) * | 2019-09-27 | 2019-12-31 | 昆山铁生精密科技有限公司 | Integrated hub pulling position design |
-
2018
- 2018-04-03 CN CN201820463604.3U patent/CN208196627U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110625556A (en) * | 2019-09-27 | 2019-12-31 | 昆山铁生精密科技有限公司 | Integrated hub pulling position design |
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