CN216542955U - Guide element and electric wrench press-fitting jig - Google Patents
Guide element and electric wrench press-fitting jig Download PDFInfo
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- CN216542955U CN216542955U CN202120614101.3U CN202120614101U CN216542955U CN 216542955 U CN216542955 U CN 216542955U CN 202120614101 U CN202120614101 U CN 202120614101U CN 216542955 U CN216542955 U CN 216542955U
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- guide element
- press
- positioning assembly
- wrench
- electric wrench
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Abstract
The utility model relates to a guide element and an electric wrench press-mounting jig, which is suitable for mounting an elastic check ring on a wrench head component of an electric wrench, wherein the wrench head component comprises a groove for accommodating the elastic check ring; the press-fitting jig comprises an upper positioning assembly, a guide element and a lower positioning assembly, wherein the upper positioning assembly is connected to the upper end and the lower end of the wrench head assembly, the lower positioning assembly is connected to the lower side of the guide element, the lower end of the guide element is inserted into the lower positioning assembly and moves up and down, the diameter of the peripheral wall of the guide element is at least partially gradually increased from the lower end to the upper end, and in an initial state, an elastic check ring is arranged at the upper end of the lower positioning assembly and sleeved on the periphery of the lower end of the guide element; in the press fitting process, the upper positioning assembly moves downwards to drive the wrench head assembly and the guide element to move downwards, so that the elastic check ring moves into the groove along the guide element. The press-fitting jig is ingenious in structure, and effectively solves the problems of low efficiency, high labor intensity and high reject ratio in the manual assembly process.
Description
[ technical field ]
The present invention relates to a guiding device and an electric wrench press-fitting jig, and more particularly, to a guiding device and an electric wrench press-fitting jig for mounting an elastic retainer ring on a wrench head assembly.
[ background art ]
The electric wrench is used for applying impact force generated by a hammer driven to rotate to a mounting seat as an output shaft so as to tighten a bolt or a nut, comprises a motor, the output shaft, the hammer and the mounting seat as main components, and has the following working principle: rotating the output shaft at a predetermined rotation speed by a motor, transmitting the rotation force of the output shaft to a hammer, and causing a claw portion provided on the hammer to strike an engaging claw portion provided on the mount by the rotation of the hammer; then, by this impact, a predetermined torque is applied to the socket attached to the front end of the mount base, and the bolt or the nut is tightened. Usually, the installation seat is provided with the elastic check ring, and when the sleeve is replaced, the elastic check ring enables the sleeve to be more smoothly assembled and disassembled.
At present when production electric spanner, circlip need be assembled to the appointed inslot of mount pad, and the current situation is that the operator left hand grips the mount pad, and the right hand is held and is held a word screwdriver, perk circlip to the appointed inslot of mount pad, and this kind of assembly methods is inefficient, and intensity of labour is slightly big, and the defective rate is higher, leads to this process to become the bottleneck process that influences this electric spanner output and quality.
Accordingly, there is a need to provide a novel guiding element and a pressing tool for an electric wrench, so as to overcome the drawbacks of the prior art.
[ contents of utility model ]
In view of the deficiencies of the prior art, the utility model aims to provide a guide element and an electric wrench press-fitting jig which are simple in structure and convenient to assemble.
The utility model can adopt the following technical scheme to solve the problems in the prior art: a guide member adapted to move a circlip from a lower end to an upper end of the guide member, the diameter of the lower end of the guide member being smaller than the diameter of the upper end, the guide member comprising an inclined section and a straight section extending from the lower end towards the upper end, the straight section being disposed on an upper side of the inclined section, the straight section being adjacent to the upper end, the inclined section being adjacent to the lower end, the circlip having an inner diameter larger than the diameter of the lower end of the guide member, the circlip being sleeved around the outer circumference of the guide member; the guide element further includes a groove portion recessed axially inward from the lower end.
The utility model can also adopt the following technical scheme for solving the problems in the prior art: a press-mounting jig for an electric wrench is suitable for mounting an elastic check ring on a wrench head assembly of the electric wrench, wherein the wrench head assembly comprises a groove for accommodating the elastic check ring; the electric wrench press-fitting jig comprises an upper positioning component connected to the upper end of the wrench head component, a guiding element connected to the lower end of the wrench head component and a lower positioning component connected below the guiding element, wherein the upper end of the guiding element abuts against one end, adjacent to the groove, of the wrench head component, the lower end of the guiding element is inserted into the lower positioning component and moves up and down along the lower positioning component, the diameter of the peripheral wall of the guiding element is at least partially and gradually increased from the lower end to the upper end, and in an initial state, the elastic check ring is arranged at the upper end of the lower positioning component and sleeved on the periphery of the lower end of the guiding element; during press fitting, the upper positioning assembly moves downwards to drive the wrench head assembly and the guide element to move downwards, so that the elastic retainer ring moves into the groove of the wrench head assembly along the outer peripheral wall of the guide element through the upper end of the guide element.
The further improvement scheme is as follows: the axes of the lower positioning assembly, the guide element and the wrench head assembly are positioned on the same straight line.
The further improvement scheme is as follows: the wrench head assembly comprises a connecting part protruding out of the outer end, the groove is formed by inwards recessing from the periphery of the connecting part, and the diameter of the upper end of the guide element is not smaller than that of the connecting part.
The further improvement scheme is as follows: the guide element comprises a groove part which is recessed inwards from the lower end shaft, the lower positioning assembly comprises a convex part corresponding to the groove part, and the groove part is matched with the convex part to guide the guide element to move up and down in the lower positioning assembly.
The further improvement scheme is as follows: the groove and the protrusion are cross-shaped.
The further improvement scheme is as follows: the electric wrench press-fitting jig comprises a base and a guide rail vertically installed on the upper side of the base, the lower positioning assembly at least partially protrudes into the guide rail, and the lower positioning assembly moves up and down in the guide rail.
The further improvement scheme is as follows: the electric wrench press-fitting jig comprises a spring and a supporting block, wherein the spring and the supporting block are contained in the guide rail, the supporting block is arranged on the base, the lower end of the spring abuts against the supporting block, and the upper end of the spring abuts against the lower positioning assembly.
The further improvement scheme is as follows: the guide rail comprises a first cavity for accommodating the spring and a second cavity communicated with the first cavity, and the lower positioning assembly extends into the first cavity through the second cavity in a protruding mode.
The further improvement scheme is as follows: the inner diameter of the first cavity is larger than that of the second cavity, the guide rail comprises a step part located at the joint of the first cavity and the second cavity/chamber, the lower positioning assembly comprises a stopping part protruding outwards from the outer periphery, the stopping part is located in the first cavity, and the stopping part abuts against the step part.
Compared with the prior art, the utility model provides the guide element and the press-fitting jig suitable for the wrench head assembly of the electric wrench, the guide element is arranged at the lower end of the wrench head assembly and is in a conical shape, the elastic check ring is arranged at one end with the smaller diameter of the guide element before press-fitting, and in the press-fitting process, the elastic check ring moves into the groove of the wrench head assembly along the outer peripheral wall of the guide element to complete the press-fitting.
[ description of the drawings ]
The following detailed description of embodiments of the utility model is provided in conjunction with the appended drawings:
fig. 1 is a schematic view of the overall structure of the press-fitting jig for an electric wrench of the present invention;
fig. 2 is a schematic view showing the connection between the guide member and the lower positioning member in the press-fitting jig for electric wrench shown in fig. 1;
fig. 3 is a schematic structural view of a guide element in the press-fitting jig of the electric wrench shown in fig. 1;
fig. 4 is a schematic structural view of a lower positioning assembly in the press-fitting jig of the electric wrench shown in fig. 1;
fig. 5 is a schematic structural view of the electric wrench of the present invention.
[ detailed description of the utility model ]
The present invention will be described in further detail with reference to the drawings and embodiments.
Referring to fig. 1 and 5, an embodiment of the present invention relates to a press-fitting jig 100 for an electric wrench, and is adapted to mount a circlip 300 on a wrench head assembly 200 of the electric wrench, the wrench head assembly 200 of the electric wrench includes a connecting portion 201 protruding from an outer end and a groove 202 recessed inward from an outer periphery of the connecting portion 201, and the circlip 300 is disposed in the groove 202; the electric wrench press-fitting jig 100 comprises a base 1, a guide rail 3 vertically installed on the upper side of the base 1, a guiding element 6 connected to the lower end of a wrench head assembly 200, a lower positioning assembly 5 connected below the guiding element 6, an upper positioning assembly 7 connected to the upper end of the wrench head assembly 200, and an upper pressure head assembly 8 connected to the upper side of the upper positioning assembly 7, wherein the lower positioning assembly 5 at least partially protrudes into the guide rail 3, and the guiding element 6 moves up and down along the lower positioning assembly 5. In the initial state, the elastic collar 300 is disposed at the upper end of the lower positioning assembly 5 and sleeved on the lower end periphery of the guiding element 6, and in the press-fitting process, the upper ram assembly 8 moves downward under the action of the external press, and drives the upper positioning assembly 7, the wrench head assembly 200 and the guiding element 6 to move downward, so that the elastic collar 300 moves along the peripheral wall of the guiding element 6 and is finally installed in the groove 202 of the wrench head assembly 200.
Referring to fig. 2, the upper end 65 of the guiding element 6 abuts against an end of the wrench head assembly 200 adjacent to the recess 202, the lower end 64 of the guiding element 6 is inserted into the lower positioning assembly 5, the diameter of the outer peripheral wall of the guiding element 6 at least partially increases from the lower end to the upper end, during the press-fitting process, the upper positioning assembly 7 moves downward to drive the wrench head assembly 200 and the guiding element 6 to move downward, so that the elastic collar 300 moves along the outer peripheral wall of the guiding element 6 to the recess 202 of the wrench head assembly 200 through the upper end of the guiding element 6. The utility model provides a press-fitting jig 100 suitable for a wrench head assembly 200 of an electric wrench, wherein a guide element 6 is arranged at the lower end of the wrench head assembly 200, the guide element 6 is arranged in a conical shape, a circlip 300 is arranged at one end of the guide element 6 with a smaller diameter before press-fitting, and the circlip 300 moves into a groove 202 of the wrench head assembly 200 along the outer peripheral wall of the guide element 6 to complete press-fitting in the press-fitting process.
Referring to fig. 2 and 3, the diameter of the lower end 64 of the guiding element is smaller than the diameter of the upper end 65, the guiding element 6 includes an inclined section 62 and a straight section 63 extending from the lower end 64 to the upper end 65, the straight section 63 is disposed on the upper side of the inclined section 62, the straight section 63 is close to the upper end 65, the inclined section 62 is close to the lower end 64, that is, the diameter of the outer periphery of the guiding element 6 is gradually increased from the lower end 64 to the upper end 65 on the inclined section 62, while the diameter of the outer periphery of the guiding element 6 on the straight section 63 is kept unchanged, the inner diameter of the elastic collar 300 is larger than the diameter of the lower end 64 of the guiding element, and the elastic collar 300 is sleeved on the outer periphery of the guiding element 6. In the initial state, the circlip 300 can be conveniently placed around the lower end 64 of the guide member 6, and then the circlip 300 can smoothly move along the inclined section 62 to the straight section 63, and the straight section 63 facilitates smooth installation of the circlip 300 into the groove 202 of the wrench head assembly 200.
In the present embodiment, the axes of the lower positioning assembly 5, the guiding element 6 and the wrench head assembly 200 are located on the same straight line; the diameter of the upper end of the guide element 6 is not smaller than the diameter of the connecting portion 201, so that the elastic retainer ring 300 moves smoothly along the outer peripheral wall of the guide element 6, and the elastic retainer ring 300 is more smoothly transited from the guide element 6 to the connecting portion 201, thereby further improving the assembling efficiency.
Referring to fig. 3 and 4, the guiding element 6 further includes a groove 61 recessed inward from the lower end in the axial direction, the lower positioning assembly 5 includes a protrusion 51 corresponding to the groove 61, the groove 61 cooperates with the protrusion 51 to guide the guiding element 6 to move up and down in the lower positioning assembly 5, and preferably, the groove 61 and the protrusion 51 are cross-shaped to ensure that the guiding element 6 and the lower positioning assembly 5 are connected firmly and reliably.
Referring to fig. 1 and 2, the electric wrench press-fitting jig 100 further includes a spring 4 and a supporting block 2 accommodated in the guide rail 3, the supporting block 2 is disposed on the base 1, a lower end of the spring 4 abuts against the supporting block 2, an upper end of the spring 4 abuts against the lower positioning assembly 5, and the lower positioning assembly 5 moves up and down in the guide rail 3 under the action of the spring 4.
Specifically, the guide rail 3 includes a first cavity 31 for accommodating the spring 4, a second cavity 32 communicated with the first cavity 31, and a step portion 33 located at a connection position of the first cavity 31 and the second cavity 32, the lower positioning assembly 5 includes a stop portion 52 protruding outward from an outer periphery, the lower positioning assembly 5 protrudes into the first cavity 31 through the second cavity 32, an inner diameter of the first cavity 31 is larger than an inner diameter of the second cavity 32, the stop portion 52 is located in the first cavity 31, and the stop portion 52 abuts against the step portion 33.
The utility model provides a press-fitting jig 100 suitable for a wrench head assembly 200 of an electric wrench, wherein a guide element 6 is arranged at the lower end of the wrench head assembly 200, the guide element 6 is arranged in a conical shape, a circlip 300 is arranged at one end of the guide element 6 with a smaller diameter before press-fitting, and the circlip 300 moves into a groove 202 of the wrench head assembly 200 along the outer peripheral wall of the guide element 6 to complete press-fitting in the press-fitting process.
The present invention is not limited to the above-described embodiments. It will be readily appreciated by those skilled in the art that many other alternatives to the guide member and the electric wrench press-fitting jig of the present invention can be made without departing from the spirit and scope of the utility model. The protection scope of the present invention is subject to the content of the claims.
Claims (10)
1. A guide element adapted to move a circlip from a lower end to an upper end of the guide element, characterized in that: the diameter of the lower end of the guide element is smaller than that of the upper end, the guide element comprises an inclined section and a straight section, the inclined section and the straight section extend from the lower end to the upper end, the straight section is arranged on the upper side of the inclined section, the straight section is close to the upper end, the inclined section is close to the lower end, the inner diameter of the elastic check ring is larger than that of the lower end of the guide element, and the elastic check ring is sleeved on the periphery of the guide element; the guide element further includes a groove portion recessed axially inward from the lower end.
2. A press-mounting jig for an electric wrench is suitable for mounting an elastic check ring on a wrench head assembly of the electric wrench, wherein the wrench head assembly comprises a groove for accommodating the elastic check ring; the method is characterized in that: the electric wrench press-fitting jig comprises an upper positioning component connected to the upper end of the wrench head component, a guiding element connected to the lower end of the wrench head component and a lower positioning component connected below the guiding element, wherein the upper end of the guiding element abuts against one end, adjacent to the groove, of the wrench head component, the lower end of the guiding element is inserted into the lower positioning component and moves up and down along the lower positioning component, the diameter of the peripheral wall of the guiding element is at least partially and gradually increased from the lower end to the upper end, and in an initial state, the elastic check ring is arranged at the upper end of the lower positioning component and sleeved on the periphery of the lower end of the guiding element; during press fitting, the upper positioning assembly moves downwards to drive the wrench head assembly and the guide element to move downwards, so that the elastic retainer ring moves into the groove of the wrench head assembly along the outer peripheral wall of the guide element through the upper end of the guide element.
3. An electric wrench press-fitting jig according to claim 2, characterized in that: the axes of the lower positioning assembly, the guide element and the wrench head assembly are positioned on the same straight line.
4. An electric wrench press-fitting jig according to claim 2, characterized in that: the wrench head assembly comprises a connecting part protruding out of the outer end, the groove is formed by inwards recessing from the periphery of the connecting part, and the diameter of the upper end of the guide element is not smaller than that of the connecting part.
5. An electric wrench press-fitting jig according to claim 2, characterized in that: the guide element comprises a groove part which is recessed inwards from the lower end shaft, the lower positioning assembly comprises a convex part corresponding to the groove part, and the groove part is matched with the convex part to guide the guide element to move up and down in the lower positioning assembly.
6. An electric wrench press-fitting jig according to claim 5, characterized in that: the groove and the protrusion are cross-shaped.
7. An electric wrench press-fitting jig according to claim 2, characterized in that: the electric wrench press-fitting jig comprises a base and a guide rail vertically installed on the upper side of the base, the lower positioning assembly at least partially protrudes into the guide rail, and the lower positioning assembly moves up and down in the guide rail.
8. An electric wrench press-fitting jig according to claim 7, characterized in that: the electric wrench press-fitting jig comprises a spring and a supporting block, wherein the spring and the supporting block are contained in the guide rail, the supporting block is arranged on the base, the lower end of the spring abuts against the supporting block, and the upper end of the spring abuts against the lower positioning assembly.
9. An electric wrench press-fitting jig according to claim 8, characterized in that: the guide rail comprises a first cavity for accommodating the spring and a second cavity communicated with the first cavity, and the lower positioning assembly extends into the first cavity through the second cavity in a protruding mode.
10. An electric wrench press-fitting jig according to claim 9, characterized in that: the inner diameter of the first cavity is larger than that of the second cavity, the guide rail comprises a step portion located at the joint of the first cavity and the second cavity, the lower positioning assembly comprises a stopping portion protruding outwards from the outer periphery, the stopping portion is located in the first cavity, and the stopping portion abuts against the step portion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120614101.3U CN216542955U (en) | 2021-03-25 | 2021-03-25 | Guide element and electric wrench press-fitting jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120614101.3U CN216542955U (en) | 2021-03-25 | 2021-03-25 | Guide element and electric wrench press-fitting jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216542955U true CN216542955U (en) | 2022-05-17 |
Family
ID=81536740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120614101.3U Active CN216542955U (en) | 2021-03-25 | 2021-03-25 | Guide element and electric wrench press-fitting jig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216542955U (en) |
-
2021
- 2021-03-25 CN CN202120614101.3U patent/CN216542955U/en active Active
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