CN218747409U - Split type crown of ratchet spanner - Google Patents
Split type crown of ratchet spanner Download PDFInfo
- Publication number
- CN218747409U CN218747409U CN202122664933.9U CN202122664933U CN218747409U CN 218747409 U CN218747409 U CN 218747409U CN 202122664933 U CN202122664933 U CN 202122664933U CN 218747409 U CN218747409 U CN 218747409U
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- crown
- split type
- positioning bolt
- upper cover
- lower cover
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Abstract
The utility model belongs to the technical field of ratchet spanner design, concretely relates to split type crown of ratchet spanner, including spanner handle and spanner head, the spanner head is equipped with a fore-and-aft hole, the hole inner fringe ring is equipped with fore-and-aft tooth, install split type crown in the hole, split type crown includes upper cover and lower cover, install the reference column between upper cover and the lower cover, the clamping piece and the positioning bolt who is used for spacing reference column and clamping piece, positioning bolt runs through the upper cover from last to down in proper order, the reference column is connected with the lower cover screw thread, positioning bolt runs through the upper cover from last to down in proper order, clamping piece and lower cover screw thread are connected, clamping piece rotates for positioning bolt. The utility model relates to a split type crown of ratchet spanner has provided a new concept's crown, components of a whole that can function independently preparation, components of a whole that can function independently equipment does not adopt traditional technologies such as turning, planing and milling, practices thrift raw and other materials greatly, reduction in production cost has simple structure, easy preparation, and the assembly is simple, easily maintains the advantage that maintenance and cost are low.
Description
Technical Field
The utility model relates to a split type crown of ratchet spanner. Belongs to the technical field of ratchet wrenches.
Background
A common ratchet wrench is characterized in that a containing groove is concavely arranged at the head end of the wrench, a ratchet component, a clamping block and a poking disc can be respectively assembled in the containing groove, a plurality of clamping teeth are arranged at the front end of the clamping block and just can be clamped against the ratchet component, a sliding groove is concavely arranged at the center of the top edge of the clamping block, a spring seat is arranged at the bottom edge of the rear end of the poking disc, a seat hole is concavely arranged at the front end surface of the spring seat and just can contain a spring, and the front end part of the spring just can be inserted into the sliding groove, so that the clamping block can be axially pushed back along the spring, and the advantages of easy switching and light tooth pushing back can be achieved.
Although the above-mentioned utility model can achieve the originally designed purpose, and is well approved by the industry and general operators, the following problems are found in the use of the utility model and still need to be further improved:
1. the wrench body is made of round iron, the head of the wrench body is forged firstly, the accommodating groove and the handle with the concave head end are machined by lathe machining (such as turning the inner diameter and the outer diameter) and milling machine machining, the hardness of the wrench body is increased by heat treatment, the capillary pores on the surface of the wrench body are finer and brighter by grinding and vibration machining, and finally the required surface precision requirement is met by electroplating treatment; therefore, the manufacturing steps are complicated, the production speed and the production amount are greatly limited, and the shape of the wrench is also greatly limited, so that the purchase desire of consumers is reduced.
2. As mentioned above, not only the cost is high, but also the wrench can only be used with the socket, thereby reducing the applicability and functionality.
At present, an integrally coated ratchet wrench, publication No. CN2768976, comprises a body, a driving body, a ratchet group, and a surface layer made of a material different from that of the body, wherein the body is coated with the surface layer, and the hardness of the surface layer is less than that of the body; the driving body is an integral structure, and the ratchet wheel set is installed inside the driving body.
The present improved driving head for ratchet wrench CN02233593.5 has a metal body, a plastic integrally formed rotating member is combined with one end of the body, a plurality of embedding holes are formed at one end of the body combined with the rotating member, a joint is formed at the other end of the body, a plurality of embedding rods are formed at one end of the rotating member combined with the body, and the embedding rods are respectively embedded in the embedding holes of the body to combine the rotating member with the body.
At present, there is a ratchet wrench CN101618531B, which comprises a main body, a driving member, at least one locking member, a reversing device and a pushing device. The reversing device comprises a control piece and a toggle piece; the control piece is rotatably arranged in the shaft hole of the driving piece, one end of the control piece is provided with a clamping part, and a pushing device is arranged in the clamping part and elastically pushed to the positioning part of the clamping piece; the shifting member is pivoted to one end of the driving member and has a hole for accommodating the engaging portion of the control member, the shifting member can link the control member to rotate, the driving member in the above patent documents is an integrally formed structure, and the engaging member can be pivoted in the accommodating portion of the driving member.
SUMMERY OF THE UTILITY MODEL
The utility model provides a new concept's crown, components of a whole that can function independently preparation, components of a whole that can function independently equipment do not adopt traditional technologies such as turning, planing and milling, practice thrift raw and other materials greatly, reduction in production cost has simple structure, easy preparation, and the assembly is simple, and the split type crown of ratchet spanner of the advantage that easy maintenance and cost are low solves the problem that prior art exists.
In order to solve the technical problem, the utility model discloses a technical scheme does:
the utility model provides a split type crown of ratchet spanner, includes the spanner head of spanner handle and circular enlarged footing, the spanner head is equipped with a fore-and-aft hole, the hole inner fringe ring is equipped with fore-and-aft quincunx tooth, install split type crown in the hole, it is split type the crown is including being located respectively the hole both sides just will the fixed upper cover of spanner head and lower cover, install reference column, clamping piece and be used for spacing reference column and the positioning bolt of clamping piece between upper cover and the lower cover, positioning bolt is from last to running through upper cover, reference column and lower cover threaded connection down in proper order, positioning bolt is from last to running through upper cover, clamping piece and lower cover threaded connection down in proper order, clamping piece rotates for positioning bolt.
The handle head is separated from one side of the wrench head, a top cover is installed, a rocker is installed on one side of the top cover, a rotating shaft is installed on the opposite side, a protruding piece is arranged at the top end of the rotating shaft, and the protruding piece penetrates through the top cover and is connected with the rocker.
The side wall of the rotating shaft is provided with a spring coated by a pushing piece, and the pushing piece is abutted against the clamping piece.
The clamping piece comprises a fixing portion, a first clamping tooth portion and a second clamping tooth portion, the first clamping tooth portion and the second clamping tooth portion are arranged on the two sides of the fixing portion respectively, first teeth and second teeth are arranged at the top ends of the first clamping tooth portion and the second clamping tooth portion respectively, the rocker rotates to drive the rotating shaft and the pushing piece to rotate, and the pushing piece drives the clamping piece to pivot so that the first teeth are meshed with the quincuncial teeth at the head of the wrench, so that the driving direction of the ratchet wrench can be switched.
The utility model has the advantages and beneficial effects of it is following:
the utility model relates to a split type crown of ratchet spanner compares with traditional crown, and traditional crown integrated into one piece needs to beat the round hole as the position and the axial of laying the card hook piece in the inside round pin semicircle orifice of work piece, still will slot (be used for connecting the buckle circle) in work piece one side, and the cutting power consumption is big, and raw and other materials consumption is big, and the sweeps can not reuse, and environmental pollution is serious.
The utility model relates to a split type crown of ratchet spanner adopts multipart difference shaping, then assembles together, and the reference column, upper cover and lower cover just can form a crown, and upper cover and lower cover make the metal volume do the plasticity and shift through cold extrusion moulding under the prerequisite of not destroying the metal nature, reach few cutting, do not have the cutting and make metal forming. Thus, a large amount of metal scraps are prevented from being formed during cutting and processing, and a large amount of steel and various metal materials are saved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural view (1) of a crown in a split crown of a ratchet wrench of the present invention;
FIG. 2 is a schematic view of a conventional ratchet wrench;
fig. 3 is a schematic structural view (2) of the crown of the split crown of the ratchet wrench of the present invention.
In the figure, 1-snap ring; 2-a wrench handle; 3-holes; 4-plum blossom teeth; 5-clamping piece mounting holes; 6-crown; 7-pushing the piece; 8-a clamping piece; 9-a spring; 10-a rotating shaft; 11-a top cover; 12-a rocker; 13-upper cover; 14-a lower cover; 15-a positioning column; 16-a threaded hole; 17-bolt perforation; 18-positioning bolt.
Detailed Description
The following description will further explain embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features related to the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
Referring to the structural schematic diagram of the split type crown of the ratchet wrench shown in fig. 1, a split type crown 6 of the ratchet wrench comprises a wrench handle 2 and a wrench head part with a round enlarged end, wherein the wrench head part is provided with a longitudinal hole 3, the inner edge of the hole 3 is annularly provided with longitudinal double offset ring teeth 4, the hole 3 is internally provided with the split type crown 6, the split type crown 6 comprises an upper cover 13 and a lower cover 14 which are respectively positioned at two sides of the hole 3 and used for fixing the wrench head part, a positioning column 15, a clamping piece 8 and a positioning bolt 18 used for limiting the positioning column 15 and the clamping piece 8 are arranged between the upper cover 13 and the lower cover 14, the upper cover 13 and the lower cover 14 are respectively provided with a bolt through hole 17 and a threaded hole 16, the positioning bolt 18 sequentially penetrates through the upper cover 13, the positioning column 15 and the lower cover 14 from top to bottom, the positioning bolt 18 sequentially penetrates through the upper cover 13, the clamping piece 8 and the lower cover 14 from top to bottom, and the clamping piece 8 rotates relative to the positioning bolt 18.
The traditional ratchet wrench handle head is formed by integral cutting, the handle head is connected with a wrench head hole through a buckle ring 1, clamping piece mounting holes for mounting clamping pieces are cut in the handle head, the shapes of the clamping piece mounting holes are different, the cutting difficulty is realized, the processing is difficult,
The utility model relates to a split type crown of ratchet spanner compares with traditional crown, and traditional crown integrated into one piece needs to beat the round hole as the position and the axial of laying the card piece at work piece inside round pin semicircle orifice, still will slot (be used for connecting the buckle circle) in work piece one side, and the cutting power consumption is big, and raw and other materials consume greatly, and the sweeps can not reuse, and environmental pollution is serious.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and these embodiments are still within the scope of the invention.
Claims (4)
1. The utility model provides a split type crown of ratchet spanner, includes wrench handle and the circular spanner head who enlarges the end, spanner head is equipped with a fore-and-aft hole, the hole inner fringe ring is equipped with fore-and-aft plum blossom tooth, its characterized in that: install split type crown in the hole, split type the crown is including being located respectively the hole both sides just will the fixed upper cover and the lower cover of spanner head, install reference column, clip spare and be used for spacing reference column and the positioning bolt of clip spare between upper cover and the lower cover, positioning bolt is from last to running through upper cover, reference column and lower cover threaded connection down in proper order, positioning bolt runs through upper cover, clip spare and lower cover threaded connection down in proper order from last, clip spare rotates for positioning bolt.
2. The split crown of a ratchet wrench as claimed in claim 1, wherein: the handle head is separated from one side of the wrench head, a top cover is installed, a rocker is installed on one side of the top cover, a rotating shaft is installed on the opposite side, a protruding piece is arranged at the top end of the rotating shaft, and the protruding piece penetrates through the top cover and is connected with the rocker.
3. The split crown of a ratchet wrench as claimed in claim 2, wherein: the side wall of the rotating shaft is provided with a spring coated by a pushing piece, and the pushing piece is abutted against the clamping piece.
4. The split crown of a ratchet wrench as claimed in claim 3, wherein: the clamping piece comprises a fixing portion, a first clamping tooth portion and a second clamping tooth portion, the first clamping tooth portion and the second clamping tooth portion are arranged on two sides of the fixing portion respectively, first teeth and second teeth are arranged at the top ends of the first clamping tooth portion and the second clamping tooth portion, the rocker rotates to drive the rotating shaft and the pushing piece to rotate, and the pushing piece drives the clamping piece to pivot so that the first teeth are meshed with the quincuncial teeth at the head of the wrench, and therefore the driving direction of the ratchet wrench is switched.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122664933.9U CN218747409U (en) | 2021-11-02 | 2021-11-02 | Split type crown of ratchet spanner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122664933.9U CN218747409U (en) | 2021-11-02 | 2021-11-02 | Split type crown of ratchet spanner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218747409U true CN218747409U (en) | 2023-03-28 |
Family
ID=85643702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122664933.9U Active CN218747409U (en) | 2021-11-02 | 2021-11-02 | Split type crown of ratchet spanner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218747409U (en) |
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2021
- 2021-11-02 CN CN202122664933.9U patent/CN218747409U/en active Active
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