CN209682046U - Multi-functional small space torque-variable spanner - Google Patents
Multi-functional small space torque-variable spanner Download PDFInfo
- Publication number
- CN209682046U CN209682046U CN201920501617.XU CN201920501617U CN209682046U CN 209682046 U CN209682046 U CN 209682046U CN 201920501617 U CN201920501617 U CN 201920501617U CN 209682046 U CN209682046 U CN 209682046U
- Authority
- CN
- China
- Prior art keywords
- transmission shaft
- coupling box
- crown gear
- gear transmission
- tail portion
- 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 - Fee Related
Links
Abstract
The utility model discloses a kind of multi-functional small space torque-variable spanners, including pinch bar body, gear type coupling box, crown gear transmission shaft, coupling box lower limit retaining ring, transmission shaft limit stop ring, self-locking swivel sleeve head, quincunx reducing sleeve and hexagon socket head cap screw special dismounting screwdriver bit, the utility model can small space and have other objects stop interference in the case where to target bolt carry out disassembly assembling work multi-functional small space torque-variable spanner, the dismounting to target bolt periphery accessory can be avoided as far as possible, reduce the damage of periphery accessory, improve overhaul efficiency, reduce production cost.The utility model structure is simple, and number of fitting parts is few, and accessory shape is simple, and easy to manufacture, maintenance can effectively reduce manufacture difficulty and cost.This spanner tail portion crown gear transmission shaft tail portion is six sides in counterbore, can cooperate and use with the matched outer six side's screwdriver bits of its size, collocation electric tool, further raising working efficiency.
Description
Technical field
The utility model relates to a kind of hardware tools, more particularly to a kind of multi-functional small space torque-variable spanner.
Background technique
Bolt disassembly usually in small space has many difficulties when using conventional tool, such as in certain big machinery
In, individually one accessory is overhauled or replaced, because there is assemble sequence, make the installation position of this accessory
It sets excessively narrow and it is stopped to interfere there are also other component around it, bolt cannot be installed to it using traditional tool
It is dismantled, handling operation could be carried out to target accessory after needing to disassemble the component that other stop interference, reduce maintenance
Efficiency, in some instances it may even be possible to should be disassembly periphery accessory lead to its damage, increase production cost.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides the multi-functional small space torque-variable of one kind and pull
Hand.
The utility model achieves the above object through the following technical schemes:
The utility model includes pinch bar body, gear type coupling box, crown gear transmission shaft, coupling box lower limit
Retaining ring, transmission shaft limit stop ring, self-locking swivel sleeve head, quincunx reducing sleeve and hexagon socket head cap screw special dismounting screwdriver bit, institute
It states pinch bar body and sets head and tail portion, be equipped with large through-hole and small through hole inside the pinch bar body, the large through-hole is located at
Head is equipped with limiting stand on the top of large through-hole, lower part is equipped with back-up ring mounting groove, matches for installing gear type coupling box head
The locating flange and coupling box lower limit retaining ring for closing gear type coupling box top, it is fixed install to gear type coupling box
Position；The small through hole is located in wrench body tail portion, is equipped with variable diameter flange and gear for installing crown gear transmission shaft, and in tail end
Enclose mounting groove, cooperate crown wheel transmission shaft tail portion locating flange and rotation axis limit stop ring, to crown gear transmission shaft into
Row installation positioning；Pinch bar body tail portion is equipped with outer six aspect, and cooperating with self-locking swivel sleeve head can be achieved to hat
Shape gearing shaft locks, and the gear type coupling box internal diameter is quincunx sleeve, the gear type coupling box outer diameter
Equipped with the mutually matched gear of crown gear transmission shaft, the crown gear transmission shaft is divided into big end and small end, and small end is equipped with
Crown gear, big end are equipped with positive stop lug boss and interior hexagonal counterbore, and the self-locking swivel sleeve head is to locked crown gear transmission
Axis, the self-locking swivel sleeve head are divided into both ends, six square ends and four square ends, and six square ends are equipped with interior six sides counterbore, convex with outer six side
Edge, four square ends are equipped with cubic counterbore；The interior six sides counterbore of its six square end and six aspect phase interworkings outside pinch bar body tail portion, six
The outer six sides flange of square end and the interior six sides counterbore of crown gear transmission shaft big end cooperate, make pinch bar body with it is coronal
The relative position of gearing shaft is fixed.
The utility model has the beneficial effects that:
The utility model is a kind of multi-functional small space torque-variable spanner, and compared with prior art, the utility model can be with
In small space and there is the multi-functional small space for carrying out disassembly assembling work in the case where the blocking interference of other objects to target bolt
Torque-variable spanner can avoid the dismounting to target bolt periphery accessory as far as possible, reduce the damage of periphery accessory, improve maintenance effect
Rate reduces production cost.The utility model structure is simple, and number of fitting parts is few, and accessory shape is simple, easy to manufacture, dimension
It repairs, manufacture difficulty and cost can be effectively reduced.This spanner tail portion crown gear transmission shaft tail portion is six sides in counterbore, can be with
Cooperation is used with the matched outer six side's screwdriver bits of its size, collocation electric tool, further raising working efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the schematic diagram of the section structure of the utility model；
Fig. 3 is the hexagon socket head cap screw special dismounting screwdriver bit top view of the utility model；
Fig. 4 is the hexagon socket head cap screw special dismounting screwdriver bit side view of the utility model；
Fig. 5 is the quincunx reducing sleeve top view of the utility model；
Fig. 6 is the quincunx reducing sleeve side view of the utility model；
Fig. 7 is the self-locking swivel sleeve head perspective view of the utility model；
Fig. 8 is the self-locking swivel sleeve head sectional view of the utility model；
Fig. 9 is the whole the schematic diagram of the section structure of the utility model；
Figure 10 is the decomposition diagram of the utility model；
Figure 11 is the overall structure diagram of the utility model.
In figure: 1- pinch bar body, 2- gear type coupling box, 3- crown gear transmission shaft, 4- coupling box lower limit
Retaining ring, 5- transmission shaft limit stop ring, the self-locking swivel sleeve head of 6-, 7- quincunx reducing sleeve, 8- hexagon socket head cap screw special dismounting
Screwdriver bit.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawing:
As shown in figs. 1-11: pinch bar body 1 is the basic fittings for installing all accessories and attachment, if head and tail portion,
It is internally provided with two diameter bores；Its large through-hole is located at head, for installing gear type coupling box head 2, in large through-hole
Top is equipped with limiting stand, and lower part is equipped with back-up ring mounting groove, the locating flange and 4- plum-blossom sleeve on wheeled 2 top of coupling box of cooperating teeth
Cylinder lower limit retaining ring, carries out installation positioning to gear type coupling box 2；Its small through hole is located in wrench body tail portion, for installing
Crown gear transmission shaft 3, and it is equipped with variable diameter flange and back-up ring mounting groove in tail end, cooperation 3 tail portion of crown wheel transmission shaft is determined
Position flange and rotation axis limit stop ring 5, carry out installation positioning to crown gear transmission shaft 3；Its tail portion is equipped with outer six aspect, can be with
Self-locking swivel sleeve head 6, which cooperates, can be achieved to make it to the locked of crown gear transmission shaft 3 not and can be carried out rotation, to change
The direction of its torque input.
2 internal diameter of gear type coupling box is quincunx sleeve, can be with the mutual cooperation of the outer-hexagonal bolt of standard to it
Carry out dismounting operation.Top is equipped with locating flange cooperation 1 limiting stand of pinch bar body and positions to it, and outer diameter is equipped with and coronal tooth
The mutually matched gear of wheel shaft 3；It receives the lateral torsion transmitted by crown gear transmission shaft 3 and is converted into longitudinal direction
Rotary motion, with pinch bar body 1 generate relative motion, output torque, reach to bolt apply rotation torsion, and with hat
The gear of shape gearing shaft 3 has certain reduction ratio, can amplify the torque input of crown gear transmission shaft 3.
Crown gear transmission shaft 3 divides for both ends, big end and small end；Small end is equipped with crown gear, and big end is equipped with positive stop lug boss
With interior hexagonal counterbore.The interior hexagonal counterbore of big end can be with the hexagon of matching standard size, by generating with pinch bar body 1
Relative rotary motion inputs and transmits torque, and the variable diameter flange of positive stop lug boss and 1 tail portion of pinch bar body cooperates and lead to
It crosses and carries out installation limit with rotation axis limit stop ring 5；The outer diameter gear of the wheeled coupling box 2 of the crown gear cooperating teeth of small end,
And the lateral torsion of tail transfer is passed through into the outer diameter gear shift of gear type coupling box 2 as longitudinal torque, and and gear type
The gear of coupling box 2 has certain reduction ratio, can amplify the torque input of tail portion.
Coupling box lower limit retaining ring 4 is installed on the lower section of 1 large through-hole of pinch bar body, and with the retaining ring below large through-hole
Mounting groove matches the lengthwise position for carrying out installation site to gear type coupling box 2 and limits.
Transmission shaft limit stop ring 5 is installed on the tail portion of 1 small through hole of pinch bar body, and the back-up ring mounting groove with aperture tail portion
Mutual cooperation limits the lateral position of crown wheel transmission shaft 3.
Self-locking swivel sleeve head 6 is divided into both ends, six square ends and four square ends, six sides to lock crown gear transmission shaft 3
End is equipped with interior six sides counterbore, and with outer six sides flange, four square ends are equipped with cubic counterbore；The interior six sides counterbore and 1- spanner of its six square end
Six aspect phase interworking outside handle body tail portion, the outer six sides flange of six square ends and interior six side of 3 big end of crown gear transmission shaft are heavy
Hole cooperates, and pinch bar body 1 and the relative position of crown gear transmission shaft 3 is fixed, locks coronal tooth to reach
The purpose of wheel shaft 3 makes gear type coupling box 2 no longer have relative motion with pinch bar body 1, can make this spanner and pass
The force direction of system spanner is consistent, identical as the function of conventional spanner, and four square ends are equipped with the cubic counterbore of standard, to cooperate mark
Quasi- four directions socket bar amplifies torque, easy disassembly operation with Lengthened moment arm.
Quincunx reducing sleeve 7 is reducing sleeve head, with the use of the internal diameter that can change gear type coupling box 2, with
The bolt of more sizes is cooperated to carry out dismounting operation.
The wheeled coupling box of 8 cooperating teeth of hexagon socket head cap screw special dismounting screwdriver bit 2 or quincunx reducing sleeve 7 are to interior hexagonal
Bolt carries out dismounting operation.
It is the position perpendicular to required operation bolt axis that conventional spanner, which applies turning moment direction to bolt, such as bolt
The interference object of bolt axial location is parallel in installation site, then the torque direction of motion of traditional spanner will be hindered
Gear, makes it be difficult to carry out operation.And the zmp position of this multi-functional small space torque-variable spanner is the axis for being parallel to target bolt
Line position can carry out operation, and the deceleration being arranged by gear drive to target bolt effectively around interference object
Than making this spanner that there is certain torque enlarging function, the torsional forces of input can be amplified.It can be applied in small space not
In the case where torque capable of being amplified with the method for Lengthened moment arm, dismounting operation is carried out to target bolt.
This multi-functional small space torque-variable spanner can cooperate the self-locking swivel sleeve head 6 of attachment, pass to limit crown gear
The rotary motion of moving axis 3 makes gear form self-locking state, and making gear type coupling box 2 no longer has opposite fortune with pinch bar body 1
It is dynamic, this spanner can be made consistent with the force direction of conventional spanner, identical as the function of conventional spanner, tail portion is equipped with standard four directions
Counterbore can be used with matching standard four directions socket bar, to increase arm of force amplification torque.
This multi-functional small space torque-variable spanner, outer dimension is short and small can be right in space that is narrow and having multi-panel to interfere
Outer-hexagonal bolt carries out dismounting operation, and cooperation hexagon socket head cap screw special dismounting screwdriver bit 8 can carry out dismounting work to hexagon socket head cap screw
Industry.
This spanner can pass through drill holder with attachmentes such as 7 hexagon socket head cap screw special dismounting screwdriver bits 8 of quincunx reducing sleeve
Cylinder changes internal diameter to cooperate the outer diameter of a variety of bolts, and cooperation hexagon socket head cap screw special dismounting screwdriver bit can be to hexagon socket head cap screw
Carry out dismounting operation.Reducing sleeve and interior hex screwdriver bit shape are simple, facilitate processing and fabricating cost low, the cooperation energy of multiple accessories
It realizes that the bolt to sizes, shape, nut carry out operation, can effectively reduce purchase cost.
This multi-functional small space torque-variable spanner, structure is simple, and number of fitting parts is few, and accessory shape is simple, system easy to process
It makes, repair, manufacture difficulty and cost can be effectively reduced.
Crown gear transmission shaft 3 tail portion in this spanner tail portion is six sides in counterbore, can be cooperated and its size matched outer six
Square screwdriver bit, collocation electric tool use, further raising working efficiency.
The advantages of basic principles and main features and the utility model of the utility model have been shown and described above.Current row
The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments
Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also
It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model
Claimed range is defined by the appending claims and its equivalent thereof.
Claims (1)
1. a kind of multi-functional small space torque-variable spanner, it is characterised in that: including pinch bar body, gear type coupling box, hat
Shape gearing shaft, coupling box lower limit retaining ring, transmission shaft limit stop ring, self-locking swivel sleeve head, quincunx reducing sleeve
With hexagon socket head cap screw special dismounting screwdriver bit, the pinch bar body sets head and tail portion, is equipped with inside the pinch bar body big
Through-hole and small through hole, the large through-hole are located at head, for installing gear type coupling box head, are equipped with limit on the top of large through-hole
Position platform, lower part are equipped with back-up ring mounting groove, the locating flange on the wheeled coupling box top of cooperating teeth and coupling box lower limit retaining ring,
Installation positioning is carried out to gear type coupling box；The small through hole is located in wrench body tail portion, for installing crown gear transmission
Axis, and it is equipped with variable diameter flange and back-up ring mounting groove in tail end, cooperate the locating flange and rotation axis of crown wheel transmission shaft tail portion
Limit stop ring carries out installation positioning to crown gear transmission shaft；Pinch bar body tail portion is equipped with outer six aspect, with self-locking turn
Changing collet head mutual cooperation can be achieved to lock crown gear transmission shaft, and the gear type coupling box internal diameter is quincunx set
Cylinder, the gear type coupling box outer diameter are equipped with and the mutually matched gear of crown gear transmission shaft, the crown gear transmission
Axis is divided into big end and small end, and small end is equipped with crown gear, and big end is equipped with positive stop lug boss and interior hexagonal counterbore, the self-locking conversion sleeve
Cylinder head is divided into both ends, six square ends and four square ends to lock crown gear transmission shaft, the self-locking swivel sleeve head, and six square ends are set
Six side's counterbores in having, with outer six sides flange, four square ends are equipped with cubic counterbore；The interior six sides counterbore and pinch bar body of its six square end
Six aspect phase interworking outside tail portion, the outer six sides flange and the interior six sides counterbore phase interworking of crown gear transmission shaft big end of six square ends
It closes, pinch bar body and the relative position of crown gear transmission shaft is fixed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920501617.XU CN209682046U (en) | 2019-04-15 | 2019-04-15 | Multi-functional small space torque-variable spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920501617.XU CN209682046U (en) | 2019-04-15 | 2019-04-15 | Multi-functional small space torque-variable spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209682046U true CN209682046U (en) | 2019-11-26 |
Family
ID=68607759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920501617.XU Expired - Fee Related CN209682046U (en) | 2019-04-15 | 2019-04-15 | Multi-functional small space torque-variable spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209682046U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111300325A (en) * | 2020-04-17 | 2020-06-19 | 王绘娟 | Auxiliary wrench |
-
2019
- 2019-04-15 CN CN201920501617.XU patent/CN209682046U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111300325A (en) * | 2020-04-17 | 2020-06-19 | 王绘娟 | Auxiliary wrench |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191126 Termination date: 20200415 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |