CN204195678U - To choose extracting tool - Google Patents
To choose extracting tool Download PDFInfo
- Publication number
- CN204195678U CN204195678U CN201420628245.4U CN201420628245U CN204195678U CN 204195678 U CN204195678 U CN 204195678U CN 201420628245 U CN201420628245 U CN 201420628245U CN 204195678 U CN204195678 U CN 204195678U
- Authority
- CN
- China
- Prior art keywords
- puller
- extracting tool
- choosing
- disassembled
- workpiece
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 230000002093 peripheral effect Effects 0.000 claims abstract description 5
- 210000000078 claw Anatomy 0.000 claims description 10
- 238000000034 method Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
Abstract
The utility model discloses one to choose extracting tool, described extracting tool of choosing comprises puller (1), screw mandrel (2) and connecting rod (3), the outer peripheral edge of puller (1) is provided with circumferentially spaced apart multiple mounting groove (12), puller (1) has screwed hole of centre (11), screw mandrel (2) is connected with screwed hole of centre (11) threaded engagement, one end connection of connecting rod (3) is disassembled workpiece, and the other end is connected on mounting groove (12).This extracting tool of choosing make require and structure simple, versatility is high, facilitates and is disassembled choosing of workpiece, and what especially can not directly exert a force is disassembled choosing of workpiece, and protects and be disassembled workpiece and be not damaged.
Description
Technical field
The utility model relates to a kind of specific purpose tool, particularly, relates to one and to choose extracting tool.
Background technology
The induced draft of boiler, motor, bearing block are overhauling in the process of maintaining, and often need impeller and bearing to take out, generally the shell of small-sized fan is all closed, so the parts such as impeller are not easy dismounting.
Such as, in the process of dismounting impeller, leave two symmetrical screwed holes time dispatching from the factory in the front end of impeller, impeller cannot be extracted owing to there is no special instrument, and can not directly directly exert a force on blade again, therefore bring great inconvenience to impeller maintenance and maintenance.Also likely in the process of choosing impeller, destroy static balance and the dynamic balancing of impeller, cause blower fan normally not run.
In view of this, a kind of specific purpose tool of impeller of can conveniently choosing is needed.
Utility model content
The purpose of this utility model is to provide one and chooses extracting tool, the making requirement of this extracting tool of choosing and structure simple, versatility is high, facilitates and is disassembled choosing of workpiece, and protection is disassembled workpiece is not damaged.
To achieve these goals, according to one side of the present utility model, provide one to choose extracting tool, described extracting tool of choosing comprises puller, screw mandrel and connecting rod, the outer peripheral edge of described puller is provided with circumferentially spaced apart multiple mounting groove, and described puller has screwed hole of centre, and described screw mandrel is connected with described screwed hole of centre threaded engagement, one end connection of described connecting rod is disassembled workpiece, and the other end is connected on described mounting groove.
Preferably, described connecting rod is the threaded rod with nut.
Preferably, described connecting rod is pulling claw, and one end of described pulling claw is formed as grab, and the other end is formed as the end of thread.
Preferably, described screw mandrel has end cap, and described end cap is provided with through hole.
Preferably, the front end of described screw mandrel is formed with centering cone.
Preferably, the described mounting groove of described puller is 3, and between adjacent two described mounting grooves, angle is 120 degree.
Preferably, the described mounting groove of described puller is 4, and between adjacent two described mounting grooves, angle is 90 degree.
By technique scheme, the utility model is improved to puller as stressed object by being disassembled workpiece as stressed object, and effectively protect and be disassembled workpiece, what especially can not directly exert a force is disassembled workpiece.By puller as stressed object, need by puller be disassembled workpiece and be connected and fixed, therefore connected one end of connecting rod and be disassembled workpiece, the other end is connected on mounting groove.Again owing to being disassembled workpiece dismounting effort or being not easy force; therefore by screw mandrel is screwed in the screwed hole of centre of puller; rotary screw rod; by the threaded engagement of screw mandrel and screwed hole of centre; make puller and be disassembled workpiece together along with the rotation of screw mandrel is moved towards the direction of choosing, simply, versatility is high for the making requirement of this extracting tool of choosing and structure; facilitate and be disassembled choosing of workpiece, and protection is disassembled workpiece and is not damaged.
Other features and advantages of the utility model are described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for description, is used from explanation the utility model, but does not form restriction of the present utility model with detailed description of the invention one below.In the accompanying drawings:
Fig. 1 is the schematic diagram of the puller of four grooves of the extracting tool of choosing of preferred embodiment of the present utility model;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the schematic diagram of the puller of three grooves of the extracting tool of choosing of preferred embodiment of the present utility model;
Fig. 4 is the left view of Fig. 3;
Fig. 5 is the schematic diagram of the screw mandrel of the extracting tool of choosing of preferred embodiment of the present utility model;
Fig. 6 is the schematic diagram of the threaded rod of the extracting tool of choosing of preferred embodiment of the present utility model;
Fig. 7 is the schematic diagram of the pulling claw of the extracting tool of choosing of preferred embodiment of the present utility model.
Description of reference numerals
1 puller 2 screw mandrel
3 connecting rod 11 screwed hole of centre
12 mounting groove 21 end caps
22 through hole 23 centering cones
31 nut 32 grabs
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.Should be understood that, detailed description of the invention described herein, only for instruction and explanation of the utility model, is not limited to the utility model.
In the utility model, when not doing contrary explanation, the noun of locality of use as " upper and lower, top, the end " normally for direction shown in the drawings or for each parts mutual alignment relationship description word vertically, on vertical or gravity direction.
As shown in Figures 1 to 7, one extracting tool of choosing comprises puller 1, screw mandrel 2 and connecting rod 3, the outer peripheral edge of puller 1 is provided with circumferentially spaced apart multiple mounting groove 12, puller 1 has screwed hole of centre 11, screw mandrel 2 is connected with screwed hole of centre 11 threaded engagement, one end connection of connecting rod 3 is disassembled workpiece, and the other end is connected on mounting groove 12.The utility model is by being improved to puller 1 by stressed object by being disassembled workpiece, and make to be disassembled workpiece and effectively protected, what especially can not directly exert a force is disassembled workpiece.By puller 1 as stressed object, need by puller 1 be disassembled workpiece and be connected and fixed, therefore connected one end of connecting rod 3 and be disassembled workpiece, the other end is connected on mounting groove 12.Again owing to being disassembled workpiece dismounting effort or being not easy force; therefore by screw mandrel 2 is screwed in the screwed hole of centre 11 of puller 1; rotary screw rod 2; by the threaded engagement of screw mandrel 2 with screwed hole of centre 11; make puller 1 and be disassembled workpiece together along with the rotation of screw mandrel 2 is moved towards the direction of choosing; the making requirement of this extracting tool of choosing and structure simple; versatility is high; thus the method for operating of this extracting tool of choosing is facilitated be disassembled choosing of workpiece, and protection is disassembled workpiece.
It should be noted that the screwed hole of centre 11 of puller 1 can be the screwed hole formed on puller 1, also can be the nut arranged at the center of puller 1.In order to strengthen the intensity of screwed hole of centre 11, the peripheral position of screwed hole of centre 11 can suitably thicken, and screwed hole of centre 11 also can select suitable screw thread according to actual service condition.In addition, in preferred embodiment of the present utility model, and in infinite mode, mounting groove 12 can be groove as shown in figures 1 and 3, also can be arranged on the through hole on puller 1.
Especially, as shown in Figure 6, connecting rod 3 is for having the threaded rod of nut 31.Such as, impeller in induced draft, two symmetrical screwed holes are left in impeller front end when dispatching from the factory, and in the case, be disassembled workpiece for what leave screwed hole when dispatching from the factory, connecting rod 3 preferably selects the threaded rod with nut 31.Wherein, threaded rod is be isometrical isometric threaded rod with leaving screwed hole.Nut 31 plays the effect of clamping when threaded rod is arranged on mounting groove 12, utilize the diameter of nut 31 to be greater than the diameter of mounting groove 12, and threaded rod is connected in mounting groove 12 more firmly.Threaded rod is disassembled workpiece for screw-in to leave when dispatching from the factory in screwed hole, and the instrument that is disassembled firmly is connected with puller 1.
Especially, as shown in Figure 7, connecting rod 3 is pulling claw, and one end of pulling claw is formed as grab 32, and the other end is formed as the end of thread.Be disassembled workpiece for screwed hole reserved when dispatching from the factory, connecting rod 3 preferably selects pulling claw.It should be noted that pulling claw as shown in Figure 7 both also can use as outer pawl as interior pawl use, namely in, pawl is for hooking the inward flange being disassembled workpiece, outer pawl is disassembled the outward flange of workpiece for hooking, inward flange is the outward flange of the centre bore being disassembled workpiece, and outward flange is the edge of the outline being disassembled workpiece.The grab 32 of pulling claw one end plays and hooks up the effect that lift is disassembled workpiece, grab 32 is hooked the inward flange or outward flange that are disassembled workpiece, according to the position needing to select grab 32 to hook of choosing being disassembled workpiece.The end of thread of the other end by the fastening nuts coordinated with it through mounting groove 12, makes to be disassembled workpiece and is firmly connected with puller 1.
The workpiece that is disassembled had is not easy force due to reasons such as residing positional structure are complicated, or need larger power to choose owing to being disassembled workpiece, be difficult to realize by means of only free-hand the choosing of operating personnel, therefore especially, screw mandrel 2 has end cap 21, and end cap 21 is provided with through hole 22.By using spanner clamping end cap 21 rotary screw rod 2, or pass through hole 22 rotary screw rod 2 by strand thick stick etc., to make operating personnel more easily exert a force, thus easier rotary screw rod 2 is chosen and is disassembled workpiece.In preferred embodiment of the present utility model, as shown in Figure 5, end cap 21 is designed to square so that with spanner rotary screw 2.
In order to make screw mandrel 2 coordinate completely in the process of choosing with screwed hole of centre 11, especially, the front end of screw mandrel 2 is formed with centering cone 23.Centering cone 23 facilitates screw mandrel 2 to feel relieved, to such an extent as to screw mandrel 2 can not depart from, and coordinates better with screwed hole of centre 11, and choosing rapidly is disassembled workpiece.
Especially, as shown in Figure 3, the mounting groove 12 of puller 1 is 3, and between adjacent two mounting grooves 12, angle is 120 degree.In preferred embodiment of the present utility model, and in a non limiting manner, 3 mounting grooves 12 are isometrical groove.
Especially, as shown in Figure 1, the mounting groove 12 of puller 1 is 4, and between adjacent two mounting grooves 12, angle is 90 degree.In preferred embodiment of the present utility model, and in a non limiting manner, corresponding two mounting grooves 12 are isometrical groove, and the diameter of mounting groove 12 is 10mm and 12mm.
Particularly preferably, a puller 1 comprising 3 mounting grooves 12 coordinates the same filament bar 2 with a puller 1 comprising 4 grooves, and the versatility of puller 1 is improved, and more conveniently uses and carries.In addition, in preferred embodiment of the present utility model, and in a non limiting manner, extracting tool of choosing is preferably rigid body, employing be No. 45 steel, by processing after heat-treat, recover its rigidity.
Below preferred embodiment of the present utility model is described by reference to the accompanying drawings in detail; but; the utility model is not limited to the detail in above-mentioned embodiment; within the scope of technical conceive of the present utility model; can carry out multiple simple variant to the technical solution of the utility model, these simple variant all belong to protection domain of the present utility model.
It should be noted that in addition, each concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, can be combined by any suitable mode, in order to avoid unnecessary repetition, the utility model illustrates no longer separately to various possible combination.
In addition, also can be combined between various different embodiment of the present utility model, as long as it is without prejudice to thought of the present utility model, it should be considered as content disclosed in the utility model equally.
Claims (7)
1. an extracting tool of choosing, it is characterized in that, described extracting tool of choosing comprises puller (1), screw mandrel (2) and connecting rod (3), the outer peripheral edge of described puller (1) is provided with circumferentially spaced apart multiple mounting groove (12), described puller (1) has screwed hole of centre (11), described screw mandrel (2) is connected with described screwed hole of centre (11) threaded engagement, one end connection of described connecting rod (3) is disassembled workpiece, and the other end is connected on described mounting groove (12).
2. extracting tool of choosing according to claim 1, is characterized in that, described connecting rod (3) is for having the threaded rod of nut (31).
3. extracting tool of choosing according to claim 1, is characterized in that, described connecting rod (3) is pulling claw, and one end of described pulling claw is formed as grab (32), and the other end is formed as the end of thread.
4. extracting tool of choosing according to claim 1, is characterized in that, described screw mandrel (2) has end cap (21), and described end cap (21) is provided with through hole (22).
5. extracting tool of choosing according to claim 4, is characterized in that, the front end of described screw mandrel (2) is formed with centering cone (23).
6. extracting tool of choosing according to claim 1, is characterized in that, the described mounting groove (12) of described puller (1) is 3, and between adjacent two described mounting grooves (12), angle is 120 degree.
7. extracting tool of choosing according to claim 1, is characterized in that, the described mounting groove (12) of described puller (1) is 4, and between adjacent two described mounting grooves (12), angle is 90 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420628245.4U CN204195678U (en) | 2014-10-27 | 2014-10-27 | To choose extracting tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420628245.4U CN204195678U (en) | 2014-10-27 | 2014-10-27 | To choose extracting tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204195678U true CN204195678U (en) | 2015-03-11 |
Family
ID=52653677
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420628245.4U Expired - Lifetime CN204195678U (en) | 2014-10-27 | 2014-10-27 | To choose extracting tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204195678U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104308801A (en) * | 2014-10-27 | 2015-01-28 | 中国神华能源股份有限公司 | Pulling and disassembling tool and operating method thereof |
-
2014
- 2014-10-27 CN CN201420628245.4U patent/CN204195678U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104308801A (en) * | 2014-10-27 | 2015-01-28 | 中国神华能源股份有限公司 | Pulling and disassembling tool and operating method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150311 |