CN215358181U - Quick-change combined wrench - Google Patents
Quick-change combined wrench Download PDFInfo
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- CN215358181U CN215358181U CN202120720837.9U CN202120720837U CN215358181U CN 215358181 U CN215358181 U CN 215358181U CN 202120720837 U CN202120720837 U CN 202120720837U CN 215358181 U CN215358181 U CN 215358181U
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- wrench
- locking
- handle
- quick
- locking sleeve
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Abstract
A combined wrench is quickly replaced. Relates to a wrench tool, in particular to a quick-change combined wrench. The quick-change combined wrench has the advantages of compact structure, replaceable multi-specification wrench heads, stable, reliable and comfortable use. The quick-change combined wrench comprises a wrench head, a locking sleeve, a handle, a spring and a steel ball; an insertion groove is formed in one end of the handle; one end of the wrench head is provided with a wrench opening, and the other end of the wrench head is provided with a connecting part matched with the insertion groove; a locking hole which is communicated with the inside and the outside is arranged at the groove bottom of the handle close to the insertion groove; the steel ball is movably arranged in the locking hole in a matching way, and the tightness of the steel ball and the connecting part is controlled by the locking sleeve; the locking sleeve is sleeved on the handle in a sliding mode, and an unlocking groove, a locking portion and a stroke portion which are connected in sequence are formed in the inner side of one end of the locking sleeve. The spanner realizes multiple purposes by one spanner, not only saves raw materials, but also lightens the weight of products. Wide application, convenient carrying, comfortable operation and the like.
Description
Technical Field
The utility model relates to a wrench tool, in particular to a quick-change combined wrench.
Background
The wrench is a common mounting and dismounting tool, and is a manual tool for screwing bolts, screws, nuts and other screw threads to tightly hold open or trepanning fasteners of the bolts or nuts by utilizing the lever principle.
The model, the structure of fixed spanner are various, and when the practicality used, need carry a large amount of multiple specification spanners and carry out the operation, have increased user's heavy burden. In the production process, the spanner is formed by connecting handle and spanner usually, and the tip of handle is equipped with 1~2 fixed spanners, and it is more to produce required raw and other materials.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems, the utility model provides the quick-change combined wrench which has compact structure, replaceable multi-specification wrench heads, stable, reliable and comfortable use.
The technical scheme of the utility model is as follows: the quick-change combined wrench comprises a wrench head, a locking sleeve, a handle, a spring and a steel ball;
an insertion groove is formed in one end of the handle;
one end of the wrench head is provided with a wrench opening, and the other end of the wrench head is provided with a connecting part matched with the insertion groove;
a locking hole which is communicated with the inside and the outside is arranged at the groove bottom of the handle close to the insertion groove;
the steel ball is movably arranged in the locking hole in a matching way, and the tightness of the steel ball and the connecting part is controlled by the locking sleeve;
the locking sleeve is sleeved on the handle in a sliding way,
the inner side of one end of the locking sleeve is provided with an unlocking groove, a locking part and a stroke part which are connected in sequence;
the unlocking groove is matched with the locking hole, and the steel ball is forced to move towards the unlocking groove to be unlocked by the outward movement of the wrench head;
the spring is sleeved on the handle and positioned in the stroke part;
the inner diameter of the locking part is gradually reduced from one end of the unlocking groove to the direction of the stroke part, and the locking sleeve is pushed by the spring to press the steel ball to move and lock towards the connecting part;
the locking sleeve is limited on the handle through a tail limiting mechanism.
And the plastic sleeve is sleeved at the other end of the handle.
The tail of the plastic sleeve is provided with a through connecting hole.
The connecting part is provided with an arc-shaped groove matched with the steel ball.
And a limiting step matched with the spring is arranged between the locking part and the stroke part.
The tail limiting mechanism comprises a limiting ring;
the handle is provided with a limit groove matched with the limit ring;
the tail of the locking sleeve is provided with a limiting flange matched with the limiting ring.
The connecting part is provided with a leading-in bevel edge towards the end part of the locking sleeve.
The diameter of the locking hole close to the orifice of the connecting part is smaller than that of the steel ball.
The cross section of the connecting part is of a circular structure.
The wrench opening is an open wrench opening or a plum blossom wrench opening.
The wrench comprises a wrench head, a locking sleeve, a handle, a spring and a steel ball; one end of the handle is provided with an insertion groove; one end of the wrench head is provided with a wrench opening, and the other end of the wrench head is provided with a connecting part matched with the insertion groove; a locking hole which is communicated with the inside and the outside is arranged at the groove bottom of the handle close to the insertion groove; the steel ball is matched and movably arranged in the locking hole, the locking sleeve is controlled to be loose from the connecting part and comprises a handle and a plurality of wrench heads, the locking sleeve is pushed towards the direction in which the plastic sleeve is sleeved by a hand, when the locking sleeve overcomes the elasticity of a spring and moves towards the plastic sleeve direction of the handle to the maximum distance, an unlocking groove designed on the inner ring of the locking sleeve moves to the steel ball, the wrench heads are inserted or pulled out, and the steel ball moves back to the side of the unlocking groove to complete replacement. When the pushing force of the locking sleeve is removed, the locking sleeve moves towards the wrench head under the elastic force action of the spring, and the steel ball moves towards the connecting part of the wrench head, so that the wrench and the handle are integrated. The spanner realizes multiple purposes by one spanner, not only saves raw materials, but also lightens the weight of products. Wide application, convenient carrying, comfortable operation and the like.
Drawings
Figure 1 is a schematic view of the structure of the present invention,
figure 2 is a schematic illustration of the split structure of the present invention,
FIG. 3 is a schematic view of the half-section state I (unlocking the replacement wrench head) of the present invention,
FIG. 4 is a schematic structural view of a half-section state two (locking wrench) of the present invention,
FIG. 5 is a cross-sectional view of the locking sleeve;
in the figure, 1 is a handle, 2 is a locking sleeve, 21 is an unlocking groove, 22 is a locking part, 23 is a stroke part, 3 is a spring, 5 is a steel ball, and 6 is a wrench head.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
As shown in figures 1-5, the quick-change combined wrench comprises a wrench head 6, a locking sleeve 2, a handle 1, a spring 3 and a steel ball 5;
an insertion groove is formed in one end of the handle 1;
one end of the wrench head 6 is provided with a wrench opening, and the other end of the wrench head is provided with a connecting part matched with the insertion groove;
a locking hole which is communicated with the inside and the outside (the inside is the side of the insertion groove, and the outside is the side connected with the locking sleeve) is arranged at the groove bottom of the handle 1 close to the insertion groove;
the steel ball 5 is movably arranged in the locking hole in a matching way, and the tightness (loosening or locking) of the steel ball and the connecting part is controlled by the locking sleeve;
the locking sleeve 2 is sleeved on the handle 1 in a sliding way,
an unlocking groove 21, a locking part 22 and a stroke part 23 which are connected in sequence are arranged on the inner side (the side facing the handle) of one end of the locking sleeve;
the unlocking groove 21 is matched with the locking hole, and the steel ball 5 is forced to move towards the direction of the unlocking groove 21 to be unlocked by the outward movement of the wrench head 6;
the spring 3 is sleeved on the handle 1 and is positioned in the stroke part 23;
the inner diameter of the locking part 22 is gradually reduced from one end of the unlocking groove 21 to the stroke part 23, and the locking sleeve 2 is pushed by the spring to press the steel ball 5 to move and lock towards the connecting part;
the locking sleeve 2 is limited on the handle 1 through a tail limiting mechanism.
And the plastic sleeve 7 is sleeved at the other end of the handle. One end of the handle is additionally provided with the plastic sleeve 7, and when the handle works, the plastic sleeve 7 is held by a hand, so that the working comfort can be improved.
The tail of the plastic sleeve 7 is provided with a through connecting hole for hanging or fixing.
The connecting part is provided with an arc-shaped groove matched with the steel ball 5.
And a limit step matched with the spring 3 is arranged between the locking part 22 and the stroke part 23.
The tail limiting mechanism comprises a limiting ring 4;
a limiting groove matched with the limiting ring 4 is formed in the handle 1;
the tail part of the locking sleeve 2 (as shown in figure 1, the tail part of the right side part of the locking sleeve) is provided with a limiting flash matched with the limiting ring (4).
The end of the connecting part facing the locking sleeve 2 is provided with a leading-in bevel.
The diameter of the locking hole close to the orifice of the connecting part is smaller than that of the steel ball 5, so that the steel ball 5 is effectively prevented from falling off when the wrench head is replaced.
The cross section of the connecting part is of a circular structure.
The wrench opening is an open wrench opening or a plum blossom wrench opening.
The wrench comprises a handle 1 and a plurality of wrenches 6, the locking sleeve 2 is pushed by hand to the direction of the plastic sleeve 7 (as shown in fig. 3, the arrow direction in the figure represents the pushing direction), when the locking sleeve 2 overcomes the elasticity of the spring 3 and moves to the direction of the plastic sleeve 7 of the handle 1 to the maximum distance (the limiting step presses the spring to the maximum limit of the spring), the unlocking groove 21 designed on the inner ring of the locking sleeve 2 moves to the steel ball 5, at this time, the wrenches are inserted or pulled out, and the steel ball 5 moves back to the side of the unlocking groove 21 to complete the replacement. When the pushing force of the locking sleeve 2 is removed, the locking sleeve 2 moves towards the wrench head 6 (as shown in fig. 4, the arrow in the figure is the moving direction of the locking sleeve 2) under the elastic force of the spring 3, and the steel ball 5 moves towards the connecting part of the wrench head (is pressed in the arc-shaped groove), so that the wrench 6 and the handle 1 are integrated. The spanner realizes multiple purposes by one spanner, not only saves raw materials, but also lightens the weight of products. Wide application, convenient carrying and comfortable operation.
The disclosure of the present application also includes the following points:
(1) the drawings of the embodiments disclosed herein only relate to the structures related to the embodiments disclosed herein, and other structures can refer to general designs;
(2) in case of conflict, the embodiments and features of the embodiments disclosed in this application can be combined with each other to arrive at new embodiments;
the above embodiments are only embodiments disclosed in the present disclosure, but the scope of the disclosure is not limited thereto, and the scope of the disclosure should be determined by the scope of the claims.
Claims (10)
1. A quick-change combined wrench is characterized by comprising a wrench head (6), a locking sleeve (2), a handle (1), a spring (3) and a steel ball (5);
an insertion groove is formed in one end of the handle (1);
one end of the wrench head (6) is provided with a wrench opening, and the other end of the wrench head is provided with a connecting part matched with the insertion groove;
a locking hole which is communicated with the inside and the outside is arranged at the groove bottom of the handle (1) close to the insertion groove;
the steel balls (5) are movably arranged in the locking holes in a matched mode, and the tightness of the steel balls and the connecting parts is controlled through the locking sleeves;
the locking sleeve (2) is sleeved on the handle (1) in a sliding way,
an unlocking groove (21), a locking part (22) and a stroke part (23) which are connected in sequence are arranged on the inner side of one end of the locking sleeve;
the unlocking groove (21) is matched with the locking hole, and the steel ball (5) is forced to move towards the unlocking groove (21) to be unlocked by the outward movement of the wrench head (6);
the spring (3) is sleeved on the handle (1) and is positioned in the stroke part (23);
the inner diameter of the locking part (22) is sequentially reduced from one end of the unlocking groove (21) to the direction of the stroke part (23), and the locking sleeve (2) is pushed by the spring to press the steel ball (5) to move and lock towards the connecting part;
the locking sleeve (2) is limited on the handle (1) through a tail limiting mechanism.
2. The quick-change combination wrench according to claim 1, further comprising a plastic sleeve (7) fitted over the other end of the handle.
3. A quick-change combination wrench as claimed in claim 2, characterized in that the plastic sleeve (7) is provided with a through-going connection hole at its rear portion.
4. A quick-change combination wrench as claimed in claim 1, characterized in that the connecting portion is provided with an arc-shaped groove adapted to the steel ball (5).
5. A quick-change combination wrench according to claim 1, characterized in that a limit step adapted to the spring (3) is provided between the locking portion (22) and the stroke portion (23).
6. A quick-change combination wrench as claimed in claim 1, characterized in that the tail stop mechanism comprises a stop collar (4);
a limiting groove matched with the limiting ring (4) is formed in the handle (1);
the tail part of the locking sleeve (2) is provided with a limiting flash matched with the limiting ring (4).
7. A quick-change combination wrench according to claim 1, characterised in that the end of the coupling part facing the locking sleeve (2) is provided with a lead-in chamfer.
8. A quick-change combination wrench as claimed in claim 1, characterized in that the diameter of the locking bore near the opening of the coupling part is smaller than the diameter of the steel ball (5).
9. A quick-change combination wrench as claimed in claim 1, in which the coupling portion is of circular configuration in cross-section.
10. The quick-change combination wrench as claimed in claim 1, wherein the wrench opening is an open wrench opening or a box wrench opening.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120720837.9U CN215358181U (en) | 2021-04-08 | 2021-04-08 | Quick-change combined wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120720837.9U CN215358181U (en) | 2021-04-08 | 2021-04-08 | Quick-change combined wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215358181U true CN215358181U (en) | 2021-12-31 |
Family
ID=79626313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120720837.9U Active CN215358181U (en) | 2021-04-08 | 2021-04-08 | Quick-change combined wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215358181U (en) |
-
2021
- 2021-04-08 CN CN202120720837.9U patent/CN215358181U/en active Active
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