Clamp convenient to install

Abstract

The clamp convenient to install comprises a sleeving part, a main body part, a spring collet chuck and a compression nut, one end of the sleeving part is connected with an external machine tool, the other end of the sleeving part is provided with a first opening, a first cavity is formed in the first opening, one end of the main body part is connected into the first cavity in a sleeving mode, and the other end of the main body part is connected with the spring collet chuck. The other end of the spring collet chuck is clamped with the compression nut, the compression nut is connected with the main body part, a first connecting hole penetrating through the sleeving part is formed in the outer wall of the sleeving part, a second connecting hole is formed in the main body part, a limiting groove is formed in one end of the main body part, and a limiting rod is arranged in the first cavity; when one end of the main body part is sleeved with the first cavity, the limiting rod and the limiting groove are clamped so that the main body part can not rotate easily, the first connecting hole and the second connecting hole coincide correspondingly, the midperpendicular of the center line where the second connecting hole and the first connecting hole are located and the midperpendicular of the limiting rod are located on the same straight line, and the main body part and the sleeving part are in sleeve type connection. Mechanical abrasion is not easy to generate, and installation is firm.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of fixture, more specifically, relate to a fixture of convenient installation. BACKGROUND

[0002] The tool needs to be passivated after grooving and opening blade, and before coating. Tool passivation can deburr, smooth and polish the tool, thereby improving tool quality and prolonging service life. The traditional tool passivation treatment equipment directly inserts the tool into the abrasive material during work, then drives the tool to rotate. The tool rotates rapidly in the abrasive material, and the tool is passivated by utilizing the friction between the tool and the abrasive material.

[0003] In some prior art, aluminum alloy tablets are used to hold the tool. Because the elasticity of aluminum alloy is not good, it is not easy to hold the tool tightly, and it is easy to deform when it is too tight, which may cause the tool to fall off.

[0004] Prior art CN 105583641 A discloses a tool clamping device, which uses multiple rolling elements to cooperate with rotating elements. However, the protruding part of the rolling element is easy to wear out after a long time of friction, which may cause the tool to be not clamped tightly and not installed firmly after a long time of use.

[0005] Therefore, it is necessary to provide a fixture that is easy to install and firm. UTILITY MODEL CONTENT

[0006] Therefore, in order to solve the above problems, the utility model provides a fixture that is easy to install. The ball type component is cancelled, and sleeve type connection is adopted. After limiting by the limiting rod, the screw is locked. It is easy to install, not easy to produce mechanical wear and tear, and firm to install.

[0007] The utility model provides a convenient installation's clamp, including sleeve joint department 1, main part 2, spring cylinder clamp 3, compression nut 4, one end of sleeve joint department 1 is connected with external machine tool, is equipped with first opening 11 at the other end, is equipped with first chamber 13 in first opening 11, one end of main part 2 is sleeved in first chamber 13 inside, is connected with spring cylinder clamp 3 at the other end, the other end of spring cylinder clamp 3 is connected with compression nut 4, and compression nut 4 is connected with main part 2, it is characterized by: the outer wall of sleeve joint department 1 is equipped with first connecting hole 12 through sleeve joint department 1 near first opening 11, it is equipped with second connecting hole 23 on main part 2, one end of main part 2 is equipped with limit slot 24, the inside of first chamber 13 is equipped with limit rod 14, when one end of main part 2 is sleeved in first chamber 13 inside, limit rod 14 is connected with limit slot 24 and makes main part 2 not easy to rotate, first connecting hole 12 and second connecting hole 23 correspond and coincide, the median line of the center line of second connecting hole 23 is on the same straight line with the median line of limit slot 24, the median line of the center line of first connecting hole 12 is on the same straight line with the median line of limit rod 14, by screw through first connecting hole 12 and second connecting hole 23, make main part 2 and sleeve joint department 1 detachable connection, main part 2 and sleeve joint department 1 are sleeve type connection, and by limit rod 14 limit, screw lock connection, convenient installation, and not easy to produce mechanical wear, firm installation.

[0008] Further, when the first connecting hole 12 is two, the two first connecting holes 12 are symmetrically arranged.

[0009] Further, one end of the main part 2 connected with the spring cylinder clamp 3 is provided with a second opening 21, the second opening 21 is provided with a second chamber, one end of the spring cylinder clamp 3 is placed in the second chamber and is pressed by the inner wall of the second chamber, and the other end is connected with the compression nut 4.

[0010] Further, the outer wall of the main part 2 near the second opening 21 is provided with external threads 25, the inner wall of the compression nut 4 is provided with internal threads 41, the compression nut 4 and the main part 2 are connected through the external threads 25, and are not easy to loosen, and the connection is stable.

[0011] Further, the spring cylinder clamp 3 includes a plurality of spring pieces 31, two adjacent spring pieces 31 are separated by a slot 32, so that the plurality of spring pieces 31 will shrink inwardly after being pressed by the inner wall of the second chamber under the action of external force, thereby clamping the tool, and the slot 32 is the contraction space of the spring piece 31.

[0012] Further, the middle part of the spring cylinder clamp 3 is provided with a shaft hole 33 for inserting the tool, the spring cylinder clamp 3 comprises a first clamping part 34 and a second clamping part 35 from top to bottom, the first clamping part 34 is arranged in a tapered shape, the second clamping part 35 is arranged in an inverted tapered shape, and an annular groove 36 is arranged between the first clamping part 34 and the second clamping part 35; the pressing nut 4 is provided with an annular protruding piece 42 on the inner wall, so that when the second clamping part 35 is pressed inwardly and shrunk by the pressing nut 4, the annular groove 36 is clamped with the annular protruding piece 42, the second clamping part 35 is arranged at one end of the annular protruding piece 42, and the first clamping part 34 is arranged at the other end of the annular protruding piece 42.

[0013] Further, the spring cylinder clamp 3 is made of steel material and has good elasticity, so that the tool is not deformed and dropped after being clamped for a long time.

[0014] Further, the outer wall of the pressing nut 4 is uniformly provided with a plurality of clamping grooves 43, the clamping grooves 43 are used for clamping with a wrench, and the pressing nut 4 is conveniently tightened.

[0015] The utility model discloses a clamp convenient to install, including the sleeve joint part 1, the main part 2, the spring cylinder clamp 3, the pressing nut 4, the sleeve joint part 1 one end is connected with outside machine tool, and the other end is equipped with first opening 11, is equipped with first chamber 13 in first opening 11, the main part 2 one end sleeve joint is in first chamber 13 inside, and the other end is connected with the spring cylinder clamp 3, the other end of spring cylinder clamp 3 is clamped with the pressing nut 4, and the pressing nut 4 is connected with the main part 2, the outer wall of sleeve joint part 1 is equipped with the first connecting hole 12 of penetrating sleeve joint part 1 near first opening 11, be equipped with second connecting hole 23 on the main part 2, one end of main part 2 is equipped with limit slot 24, the inside of first chamber 13 is equipped with limit rod 14, when one end of main part 2 sleeve joint is in first chamber 13 inside, limit rod 14 and limit slot 24 clamping make main part 2 not easy to rotate, first connecting hole 12 and second connecting hole 23 correspond and coincide, the center line of second connecting hole 23 is in the middle perpendicular line with the middle perpendicular line of limit slot 24 on same straight line, the center line of first connecting hole 12 is in the middle perpendicular line with the middle perpendicular line of limit rod 14 on same straight line, by screw passing through first connecting hole 12 and second connecting hole 23, make main part 2 with sleeve joint part 1 detachable connection, the main part 2 with sleeve joint part 1 are sleeve type connection, and are locked by screw after limiting by limit rod 14, convenient to install, and not easy to produce mechanical wear and tear, firm installation. ACCURATE DRAWINGS

[0016] Figure 1 It is overall structural drawing of the clamp convenient to install of the utility model.

[0017] Figure 2 It is split structure drawing of the clamp convenient to install of the utility model.

[0018] Figure 3 The internal structure diagram of the sleeve joint part of the convenient-to-install clamp of the utility model.

[0019] Figure 4 The spring cylinder clamp and compression nut combination structure diagram of the convenient-to-install clamp of the utility model.

[0020] Figure 5 The spring cylinder clamp and compression nut split explosion diagram of the convenient-to-install clamp of the utility model.

[0021] Main element symbol explanation

[0022] Sleeve joint part 1, first opening 11, first connecting hole 12, first chamber 13, limiting rod 14, main body part 2, second opening 21, second connecting hole 23, limiting groove 24, external thread 25, spring cylinder clamp 3, spring sheet 31, slot 32, shaft hole 33, first clamping part 34, second clamping part 35, annular recess 36, compression nut 4, internal thread 41, annular protruding sheet 42, clamping groove 43.

[0023] The following specific embodiments will further illustrate the utility model in conjunction with the above drawings. Specific embodiments Example 1:

[0024] A convenient-to-install clamp, comprising a sleeve joint part 1, a main body part 2, a spring cylinder clamp 3, and a compression nut 4, one end of the sleeve joint part 1 is connected with an external machine tool, the other end is provided with a first opening 11, a first chamber 13 is arranged in the first opening 11, one end of the main body part 2 is sleeved in the first chamber 13, the other end is connected with the spring cylinder clamp 3, the other end of the spring cylinder clamp 3 is clamped with the compression nut 4, and the compression nut 4 is connected with the main body part 2, characterized in that: a first connecting hole 12 penetrating through the sleeve joint part 1 is arranged on the outer wall of the sleeve joint part 1 close to the first opening 11, a second connecting hole 23 is arranged on the main body part 2, one end of the main body part 2 is provided with a limiting groove 24, a limiting rod 14 is arranged in the first chamber 13, when one end of the main body part 2 is sleeved in the first chamber 13, the limiting rod 14 is clamped with the limiting groove 24 to make the main body part 2 not easy to rotate, the first connecting hole 12 and the second connecting hole 23 correspond and coincide, the median line of the center line where the second connecting hole 23 is located is on the same straight line as the median line of the limiting groove 24, the median line of the center line where the first connecting hole 12 is located is on the same straight line as the median line of the limiting rod 14, a screw is passed through the first connecting hole 12 and the second connecting hole 23 to make the main body part 2 and the sleeve joint part 1 detachably connected, the main body part 2 and the sleeve joint part 1 are sleeve type connected, and the screw is locked after being limited by the limiting rod 14, convenient to install, and not easy to produce mechanical wear and tear, firm installation.

[0025] When the first connecting hole 12 is two, the two first connecting holes 12 are symmetrically arranged.

[0026] The end of the main body 2 connected with the spring barrel clamp 3 is provided with a second opening 21, and a second cavity is arranged in the second opening 21.

[0027] The outer wall of the main body 2 near the second opening 21 is provided with an external thread 25, and the inner wall of the compression nut 4 is provided with an internal thread 41.

[0028] The spring barrel clamp 3 includes a plurality of spring sheets 31, and two adjacent spring sheets 31 are separated by a slot 32, so that the plurality of spring sheets 31 will contract inwardly after being extruded by the inner wall of the second cavity under the action of an external force, thereby clamping the cutter.

[0029] The middle part of the spring barrel clamp 3 is provided with a shaft hole 33 for inserting the cutter, and the spring barrel clamp 3 includes a first clamping part 34 and a second clamping part 35 from top to bottom.

[0030] The spring barrel clamp 3 is made of steel material and has good elasticity, and will not be deformed to cause the cutter to fall off after clamping the cutter for a long time.

[0031] The outer wall of the compression nut 4 is uniformly provided with a plurality of clamping grooves 43, and the clamping grooves 43 are used for clamping the wrench, thereby facilitating the tightening of the compression nut 4.

[0032] The utility model discloses a beneficial effect: the utility model provides a convenient installation's clamp, including the sleeve joint 1, main part 2, spring cylinder clamp 3, compression nut 4, the sleeve joint 1 one end is connected with external machine tool, is equipped with first opening 11 in another end, is equipped with first chamber 13 in first opening 11, the main part 2 one end sleeve joint is in first chamber 13 inside, and another end is connected with spring cylinder clamp 3, spring cylinder clamp 3 another end is connected with compression nut 4, and compression nut 4 is connected with main part 2, the outer wall of sleeve joint 1 is equipped with the first connecting hole 12 of penetrating sleeve joint 1 in first opening 11 place, be equipped with second connecting hole 23 on main part 2, one end of main part 2 is equipped with limit slot 24, the inside of first chamber 13 is equipped with limit rod 14, when the one end of main part 2 sleeve joint is in first chamber 13 inside, limit rod 14 and limit slot 24 are connected and make main part 2 not easy to rotate, and first connecting hole 12 and second connecting hole 23 correspond and coincide, the center line of second connecting hole 23 is in the center line of limit slot 24 on the same straight line, the center line of first connecting hole 12 is in the center line of limit rod 14 on the same straight line, pass through first connecting hole 12 with second connecting hole 23 with screw, make main part 2 with sleeve joint 1 detachable connection, main part 2 with sleeve joint 1 are sleeve type connection, and through limit rod 14 limit after screw lock, convenient installation, and not easy to produce mechanical wear, firm installation.

[0033] The above-described embodiments only express several embodiments of the utility model, and the description is more specific and detailed, but it can not be understood as the limitation of the utility model patent scope. It should be pointed out that for ordinary skilled person in the art, without departing from the utility model concept, can make several deformation and improvement, and these all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be according to the attached claim.

Claims

1. A fixture for easy installation, comprising a sleeve part (1), a main body part (2), a spring collet (3), and a clamping nut (4), wherein one end of the sleeve part (1) is connected to an external machine tool, and the other end is provided with a first opening (11), wherein a first chamber (13) is provided in the first opening (11), one end of the main body part (2) is sleeved inside the first chamber (13), and the other end is connected to the spring collet (3), wherein the other end of the spring collet (3) is engaged with the clamping nut (4), and the clamping nut (4) is connected to the main body part (2), characterized in that: The outer wall of the sleeve part (1) near the first opening (11) is provided with a first connecting hole (12) penetrating the sleeve part (1). The main body part (2) is provided with a second connecting hole (23). One end of the main body part (2) is provided with a limiting groove (24). The inside of the first chamber (13) is provided with a limiting rod (14). When one end of the main body part (2) is sleeved inside the first chamber (13), the limiting rod (14) and the limiting groove (24) are engaged, making it difficult for the main body part (2) to rotate. The first connecting hole (12) and the second connecting hole (23) correspond to each other. The perpendicular bisector of the center line of the second connecting hole (23) is on the same straight line as the perpendicular bisector of the limiting groove (24), and the perpendicular bisector of the center line of the first connecting hole (12) is on the same straight line as the perpendicular bisector of the limiting rod (14). By passing screws through the first connecting hole (12) and the second connecting hole (23), the main body (2) and the sleeve (1) are detachably connected. The main body (2) and the sleeve (1) are connected by a sleeve type, and after being limited by the limiting rod (14), they are locked by screws, which is convenient for installation, does not easily cause mechanical wear, and is firmly installed.

2. The easy-to-install clamp as described in claim 1, characterized in that: When there are two first connecting holes (12), the two first connecting holes (12) are arranged symmetrically.

3. The easy-to-install clamp as described in claim 1, characterized in that: The main body (2) is connected to the spring collet (3) at one end, which is provided with a second opening (21). The second opening (21) is provided with a second chamber. One end of the spring collet (3) is placed in the second chamber and is squeezed by the inner wall of the second chamber. The other end is engaged with the clamping nut (4).

4. The easy-to-install clamp as described in claim 3, characterized in that: The outer wall of the main body (2) near the second opening (21) is provided with an external thread (25), and the inner wall of the clamping nut (4) is provided with an internal thread (41). The clamping nut (4) and the main body (2) are connected by the external thread (25), which is not easy to loosen and the connection is stable.

5. The easy-to-install clamp as described in claim 3, characterized in that: The spring collet (3) includes multiple spring plates (31). Two adjacent spring plates (31) are separated by a slot (32). When the spring plates (31) are squeezed by the inner wall of the second chamber under the action of external force, the multiple spring plates (31) will contract inward, thereby clamping the tool. The slot (32) is the contraction space of the spring plates (31).

6. The easy-to-install clamp as described in claim 1, characterized in that: The spring collet (3) has a shaft hole (33) in the middle for inserting a tool. The spring collet (3) includes a first clamping part (34) and a second clamping part (35) from top to bottom. The first clamping part (34) is tapered and the second clamping part (35) is inverted tapered. An annular groove (36) is provided between the first clamping part (34) and the second clamping part (35). The clamping nut (4) has an annular protrusion (42) along its inner wall. When the second clamping part (35) is squeezed inward by the clamping nut (4), the annular groove (36) and the annular protrusion (42) engage. The second clamping part (35) is placed at one end of the annular protrusion (42) and the first clamping part (34) is placed at the other end of the annular protrusion (42).

7. The easy-to-install clamp as described in claim 1, characterized in that: The spring collet (3) is made of steel, has good elasticity, and will not deform and cause the tool to fall off after clamping the tool for a long time.

8. The easy-to-install clamp as described in claim 1, characterized in that: The outer wall of the clamping nut (4) is provided with a plurality of slots (43), which are used for wrenches to engage and facilitate tightening of the clamping nut (4).

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