CN212859135U - Ratchet carpenter clamp with self-adaptive clamping part - Google Patents
Ratchet carpenter clamp with self-adaptive clamping part Download PDFInfo
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- CN212859135U CN212859135U CN202021626139.4U CN202021626139U CN212859135U CN 212859135 U CN212859135 U CN 212859135U CN 202021626139 U CN202021626139 U CN 202021626139U CN 212859135 U CN212859135 U CN 212859135U
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Abstract
The utility model relates to an anchor clamps technical field is a ratchet carpenter clamp with self-adaptation clamping part particularly, including the movable tong arm of fixed tong arm and relative fixed tong arm setting, be equipped with an arc notch on the fixed tong arm, the arc notch is connected with swing joint spare, swing joint spare one end is equipped with the arc notch cooperation on connecting axle and the fixed tong arm and is connected, and the other end is equipped with the connecting block and is connected with the clamping part, be equipped with the clearance between swing joint spare's connecting block and the fixed tong arm. The utility model discloses a swing joint's connecting block and the groove connection of clamping part, clearance between swing joint and the tong arm can make the clamping part can be according to the plane situation of work piece freely rotate from top to bottom in certain angle range for the clamping part more laminates the plank surface, in order to obtain best centre gripping work effect, under the unchangeable condition of big or small material that the carpenter pressed from both sides, its clamping-force increases more than 40%.
Description
Technical Field
The utility model relates to an anchor clamps technical field is a ratchet carpenter presss from both sides with self-adaptation clamping part particularly.
Background
The carpenter clamp is a common clamping tool used in carpenter operation, and when a common carpenter clamp is designed, the common carpenter clamp aims at clamping a flat surface of a wood board, and at the moment, a clamping opening can clamp a wood block well and is not easy to slide, for example, the improved ratchet carpenter clamp provided by the Chinese patent 201721651385.3 and the improved ratchet carpenter clamp provided by the Chinese patent 201820627278.5 increase the clamping effect of the carpenter clamp by increasing the structural strength, but in actual production operation, the carpenter clamp cannot be ensured to be clamped on the flat surface of the wood board, generally, the surface of the wood board has a certain inclination angle or an uneven place, so in actual production operation, the surface of the wood board is easy to generate a gap with a clamping part of the carpenter clamp, so that the carpenter clamp cannot clamp the wood board stably, and the clamping force is insufficient. At the moment, in order to clamp firmly, the carpenter clamp is easy to be over-tightened, and the surface of the wood board is damaged.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to solve prior art not enough, provide a clamping part can adapt to the plank surface automatically to guarantee the carpenter of centre gripping effect and press from both sides.
In order to achieve the purpose, the ratchet wheel woodworking clamp with the self-adaptive clamping part is designed, and the adopted technical scheme comprises a fixed clamp arm (1) and a movable clamp arm (4) arranged relative to the fixed clamp arm (1), and is characterized in that the fixed clamp arm (1) is respectively provided with an arc-shaped notch (101), the arc-shaped notch (101) is connected with a movable connecting piece (3), one end of the movable connecting piece (3) is provided with a connecting shaft (301) which is matched and connected with the arc-shaped notch (101) on the fixed clamp arm (1), the other end of the movable connecting piece (3) is provided with a connecting block (302) which is connected with a clamping part (2), and a gap is formed between the connecting block (302) of the movable connecting piece (3) and the fixed clamp arm (1); the clamping part (2) is internally provided with a groove, the groove is connected with a connecting block (302) of the movable connecting piece (3) in a matching manner, and the lower part of the clamping part (2) is provided with an extension section.
The utility model discloses still have following preferred technical scheme:
further, an arc-shaped notch (401) is also formed in the movable clamp arm (4), a movable connecting piece (3) is also connected to the arc-shaped notch (401), a connecting shaft (301) is arranged at one end of the movable connecting piece (3) and is connected with the arc-shaped notch (401) in the movable clamp arm (4) in a matched mode, a connecting block (302) is arranged at the other end of the movable connecting piece (3) and is connected with a clamping portion (2) corresponding to the movable clamp arm (4), and a gap is formed between the connecting block (302) of the movable connecting piece (3) and the movable clamp arm (4).
Furthermore, a certain gap is formed between the clamping part (2) and the fixed clamp arm (1) and between the clamping part and the movable clamp arm (4) through the connecting block (302).
Furthermore, the lower extension section of the clamping part (2) is provided with a limiting block, and the fixed clamp arm (1) and the movable clamp arm (4) are provided with a recess corresponding to the limiting block at the lower part of the clamping part (2).
Furthermore, reinforcing ribs are arranged on the side faces of the fixed clamp arm (1) and the movable clamp arm (4), and the reinforcing ribs are distributed in an arc shape.
Further, the connecting shaft (301) is a cylindrical shaft body, and the connecting shaft (301) is clamped in the arc-shaped notch (101).
Furthermore, a protective anti-skid sleeve is clamped on the clamping part (2).
The utility model discloses following beneficial effect has:
the utility model has the advantages of simple structure, and the practicality is strong, make the tong arm be connected with the clamping part through swing joint spare, swing joint spare's connecting block and the groove connection of clamping part, clearance between swing joint spare and the tong arm can make the clamping part can be according to the plane situation of work piece freely rotating from top to bottom in certain angle range for the clamping part is the plank surface of more laminating, in order to obtain best centre gripping work effect, the tong arm is equipped with sunkenly with the clamping part department of correspondence simultaneously, can guarantee the home range of clamping part. Under the condition that the size and the material of the carpenter clamp are not changed, the clamping force of the carpenter clamp is increased by more than 40%, the use mode is simple and convenient, and good economic benefit and social benefit are achieved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
FIG. 2 is a schematic structural view of the movable connecting member of the present invention;
fig. 3 is a schematic structural view of the holding portion of the present invention;
in the figure: 1. fixing the clamp arm; 2. a clamping portion; 3. a movable connecting piece; 4. a movable jawarm; 101. an arc-shaped notch; 201. a limiting part; 202. a groove; 301. a connecting shaft; 302. connecting blocks; 401. an arc-shaped notch.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
The embodiment 1 of the utility model provides a carpenter's clamp with clamping part capable of automatically adapting to the surface of a wood board, as shown in fig. 1, comprising a fixed clamp arm 1 and a clamping part 2, wherein the fixed clamp arm 1 and the clamping part 2 are connected through a movable connecting piece 3, the fixed clamp arm 1 is provided with an arc-shaped notch 101, as shown in fig. 2, the movable connecting piece 3 comprises a connecting shaft 301 and a connecting block 302, the arc-shaped notch 101 is connected with the connecting shaft 301, the connecting shaft 301 is connected with the clamping part 2 through the connecting block 302, so that a certain gap is formed between the connecting block 302 and the fixed clamp arm 1, the connecting block can drive the clamping part to rotate around the connecting shaft in the up-down direction, as shown in fig. 3, the clamping part 2 is provided with a groove 202, the size of the groove 202 is less than or equal to the size of the tail end of the connecting block 302, the clamping part 2, the clamping part 2 and the fixed clamp arm 1 are mutually independent parts, a certain gap is formed between the clamping part 2 and the fixed clamp arm 1, so that the clamping part 2 can move in the upward and downward directions conveniently, the limiting part 201 is arranged at the lower part of the clamping part 2, and a recess is formed in the position, corresponding to the limiting part 201, of the fixed clamp arm 1, so that when the clamping part 2 moves in the downward direction, enough space is formed between the fixed clamp arm 1 and the clamping part 2 for the clamping part 2 to move.
As a preferred embodiment, the movable caliper arm 4 is also provided with an arc-shaped notch 401, the arc-shaped notch 401 is also connected with a movable connecting piece 3, one end of the movable connecting piece 3 is provided with a connecting shaft 301 which is matched and connected with the arc-shaped notch 401 on the movable caliper arm 4, the other end of the movable connecting piece is provided with a connecting block 302 which is connected with the clamping part 2 corresponding to the movable caliper arm (4), and a gap is arranged between the connecting block 302 of the movable connecting piece 3 and the movable caliper arm 4. So that both clamping parts can move in conformity with the surface of the board.
Example 2
Furthermore, in order to make the utility model discloses centre gripping plank that can be better has still included following structure in this embodiment: the movable clamp arm comprises a movable clamp arm body and is characterized in that a driving metal plate is arranged on one side of the movable clamp arm body, a spring A is arranged on one side of the driving metal plate, a straight sliding rod is arranged on one side of the spring A, a fixing piece is arranged at one end of the straight sliding rod, a semicircular arc fulcrum is arranged on the other side of the spring A, a force application driving rod is arranged at the bottom end of the semicircular arc fulcrum, a spring B is arranged on the other side of the semicircular arc fulcrum, a positioning loose-clamping metal plate is arranged on one side of the spring B, a quick-release button is arranged on the other side of the movable clamp arm body, a spring C is arranged. The side surfaces of the fixed clamp arm and the movable clamp arm are provided with reinforcing ribs, and the reinforcing ribs are distributed in an arc shape. The sections of the fixed clamp arm and the movable clamp arm respectively comprise an I-shaped structure. And the clamping part is provided with a protective anti-skid sleeve.
In the using process, the positioning loose-clamping metal plate is formed by combining two metal plates, the positioning and clamping effect is achieved after clamping, the workpiece is clamped by arranging the straight sliding rod and the force application driving rod and pushing the movable clamp arm on the straight sliding rod forwards by the force application driving rod, the workpiece is arranged in the middle of the clamping part at the moment, the workpiece is clamped by the action of the fixed clamp arm and the movable clamp arm, the clamping part can automatically rotate around the connecting shaft according to the surface of the clamped workpiece at the moment, so that the clamping part can be tightly attached to the surface of the workpiece, the structural strength of the clamp is greatly improved by the action of the spring and the driving metal plate, the driving metal plate can accelerate and improve the clamping force of the clamp, the movable clamp arm can be taken down from the straight sliding rod at any time by the action of positioning loose-clamping metal plate, the disassembly is convenient, and the balanced accelerating thrust of the elastic pushing driving metal plate is achieved by the action of the spring in the force application process, after clamping, the metal plate is driven by elastic push to restore the force application driving rod, the movable clamp arm can move to the other side of the fixed clamp arm on the straight sliding rod to play a role in opening the force application, and the movable clamp arm can move back and forth on the straight sliding rod through the quick release button.
The above, only for the concrete implementation of this utility model, but the scope of protection of this utility model is not limited to this, and any person skilled in this technical field is in the technical scope of this utility model discloses, according to the technical scheme of this utility model and novel design add in equal replacement or change, all should be covered in the scope of protection of this utility model.
Claims (7)
1. A ratchet carpenter clamp with self-adaptive clamping part is characterized by comprising
The clamp comprises a fixed clamp arm (1) and a movable clamp arm (4) arranged opposite to the fixed clamp arm (1), wherein an arc-shaped notch (101) is formed in the fixed clamp arm (1);
the movable connecting piece (3) is connected with the arc-shaped notch (101), one end of the movable connecting piece (3) is provided with a connecting shaft (301) which is matched and connected with the arc-shaped notch (101) on the fixed clamp arm (1), the other end of the movable connecting piece is provided with a connecting block (302) which is connected with the clamping part (2), and a gap is formed between the connecting block (302) of the movable connecting piece (3) and the fixed clamp arm (1);
the clamping part (2) is internally provided with a groove, the groove is connected with a connecting block (302) of the movable connecting piece (3) in a matching manner, and the lower part of the clamping part (2) is provided with an extension section.
2. The ratchet wheel woodworking clamp with the self-adaptive clamping portion according to claim 1, wherein the movable clamp arm (4) is also provided with an arc-shaped notch (401), the arc-shaped notch (401) is also connected with a movable connecting piece (3), one end of the movable connecting piece (3) is provided with a connecting shaft (301) which is matched and connected with the arc-shaped notch (401) on the movable clamp arm (4), the other end of the movable connecting piece is provided with a connecting block (302) which is connected with the clamping portion (2) corresponding to the movable clamp arm (4), and a gap is formed between the connecting block (302) of the movable connecting piece (3) and the movable clamp arm (4).
3. The ratcheting carpenter clamp with the adaptive clamping portion according to claim 2, characterized in that a certain gap is generated between the clamping portion (2) and the fixed tong arm (1) and the movable tong arm (4) through the connecting block (302).
4. The ratchet carpenter's clamp with self-adaptive clamping portion according to claim 3, wherein the lower extension section of said clamping portion (2) is provided with a limiting block, and said fixed tong arm (1) and said movable tong arm (4) are provided with a recess corresponding to the limiting block at the lower portion of said clamping portion (2).
5. The ratchet wheel woodworking clamp with the self-adaptive clamping portion as claimed in claim 3, wherein reinforcing ribs are arranged on the side faces of the fixed clamp arm (1) and the movable clamp arm (4), and the reinforcing ribs are distributed in an arc shape.
6. The ratcheting carpenter clamp with an adaptive clamping portion according to claim 4, characterized in that the connecting shaft (301) is a cylindrical shaft body, and the connecting shaft (301) is snapped in the arc-shaped notch (101).
7. The ratcheting carpenter's clamp with the self-adaptive clamping portion according to claim 5, characterized in that a protective anti-slip sleeve is clipped on the clamping portion (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021626139.4U CN212859135U (en) | 2020-08-07 | 2020-08-07 | Ratchet carpenter clamp with self-adaptive clamping part |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021626139.4U CN212859135U (en) | 2020-08-07 | 2020-08-07 | Ratchet carpenter clamp with self-adaptive clamping part |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212859135U true CN212859135U (en) | 2021-04-02 |
Family
ID=75220025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021626139.4U Active CN212859135U (en) | 2020-08-07 | 2020-08-07 | Ratchet carpenter clamp with self-adaptive clamping part |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212859135U (en) |
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2020
- 2020-08-07 CN CN202021626139.4U patent/CN212859135U/en active Active
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