CN210024530U - Key clamp - Google Patents

Abstract

The utility model discloses a key clamp, which comprises a base, a clamp body and a locking device, wherein the base is provided with a fixed plate; the clamp body comprises a first clamping block and a second clamping block, the first clamping block and the second clamping block are connected in an involutory mode and sequentially form a plurality of key clamping structures when involutory, the first clamping block and the second clamping block are locked through a locking device, and the first clamping block and the second clamping block are further fixed on a fixing plate through the locking device; first clamp splice links to each other with the fixed plate contact, is equipped with at least one spacing sand grip on the fixed plate, and the one side that first clamp splice is close to the fixed plate is equipped with spacing sand grip complex recess, and every spacing sand grip corresponds many recesses, corresponds the crisscross setting of each recess of same spacing sand grip. Can merge into a key anchor clamps with a plurality of key anchor clamps, can realize freely switching, the flexible operation is convenient, and the location is accurate, is suitable for the many work that have reduced the processing key of key kind. The utility model discloses be applied to key processing technology field.

Description

Key clamp

Technical Field

The utility model relates to a key processing technology field, concretely relates to key anchor clamps.

Background

The key clamps on the market generally only have one clamp surface, and can only clamp the key on one clamp surface, if need the different keys of centre gripping, often need use multiple key clamps, all need install alone between each key clamp, can't merge into a key clamp with each key clamp and freely switch over. Therefore, great inconvenience is brought to key processing, and workload such as clamp replacement is increased.

Patent document with application number CN205552065U discloses a key anchor clamps, which comprises a base, press from both sides tight executive component, the driving medium, clamping piece and guide, the base is equipped with the plane of placing that is used for placing the key, press from both sides tight executive component and be fixed in the base, the clamping piece is located the base and is located the horizontal side in plane of placing, the guide is fixed in the base, it has the output to press from both sides tight executive component, the output is connected with the driving medium and drives the driving medium seesaw, the driving medium is connected with the clamping piece and drives the relative base up-and-down motion of clamping piece, the guide cooperates with the clamping piece and guides the clamping piece and.

In this patent document, the key holder still has only one holder, and if a different key is to be held or a different part of the key is to be machined, a different key holder needs to be replaced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a key anchor clamps can merge into a key anchor clamps with a plurality of key anchor clamps, can realize freely switching, has reduced the work load of processing key.

In order to achieve the purpose, the utility model provides a key clamp, which comprises a base, a clamp body and a locking device, wherein a fixed plate is arranged on the base; the clamp body comprises a first clamping block and a second clamping block, the first clamping block and the second clamping block are connected in an involutory mode and sequentially form a plurality of key clamping structures when involutory, the first clamping block and the second clamping block are locked through a locking device, and the first clamping block and the second clamping block are further fixed on a fixing plate through the locking device; first clamp splice links to each other with the fixed plate contact, be equipped with at least one spacing sand grip on the fixed plate, the one side that first clamp splice is close to the fixed plate be equipped with spacing sand grip complex recess, every spacing sand grip corresponds many recesses, corresponds the crisscross setting of each recess of same spacing sand grip.

In a further improvement, at least two guide rods are arranged between the first clamping block and the second clamping block, the guide rods are parallel to each other, the first clamping block and the second clamping block are movably closed along the length direction of the guide rods, and an elastic element is arranged between the first clamping block and the second clamping block.

Further improved, locking device includes screw rod and handle, the screw rod includes screw rod head and screw rod post, the head end at the screw rod post is connected to the screw rod head, the end at the screw rod post is established to the handle cover, the one side that first clamp splice was kept away from to the second clamp splice is equipped with the spacing hole of screw rod head complex, the screw rod post passes first clamp splice, second clamp splice, fixed plate in proper order after continuous with the handle, the screw rod post passes first clamp splice from spacing hole, screw rod head activity card is established in spacing hole.

Further improved, screw rod post middle part is equipped with the waist hole, the fixed plate side is equipped with the first connecting hole that runs through to the waist hole, the activity is inserted in first connecting hole and the waist hole and is equipped with the gag lever post.

The improved structure is characterized in that a screw rod sleeve is further sleeved on the screw rod column and is positioned in the middle of the screw rod column, one end of the screw rod sleeve penetrates through a fixed plate and then movably extends to a first clamping block, a limiting handle is arranged at the other end of the screw rod sleeve, a limiting groove matched with the limiting handle is arranged on one surface, close to the handle, of the fixed plate, and the limiting handle of the screw rod sleeve is clamped in the limiting groove;

the middle part of the screw rod sleeve is provided with a second connecting hole, the first connecting hole, the second connecting hole and the waist hole are communicated in sequence, and the limiting rod is movably inserted in the first connecting hole, the second connecting hole and the waist hole in sequence.

Further improved, the bearing is embedded into the end, connected with the screw rod column, of the handle, and the screw rod sequentially penetrates through the first clamping block, the second clamping block, the fixing plate and the bearing and then is connected with the handle.

In a further improvement, the key clamping structure comprises at least one first key clamping structure and at least one second key clamping structure, and the first key clamping structure and the second key clamping structure are sequentially distributed on each side surface of the clamp body;

the first key clamping structure comprises a first step arranged at one end part of one side of the first clamping block and a second step arranged at one end part of one side of the second clamping block, and the first step and the second step form a first key clamping part when the first clamping block and the second clamping block are matched;

the second presss from both sides key structure including the first arm of bending of locating first clamp splice one side tip and the second arm of bending of locating second clamp splice one side tip, first arm of bending and second arm of bending form second key clamping part when first clamp splice and second clamp splice are right, the tip of first arm of bending and the crisscross setting up of tip of second arm of bending, be equipped with the screw hole on first arm of bending or the second arm of bending, the screw hole fit is equipped with locking bolt.

In a further improvement, the number of the second clamping key structures is at least two, the widths of the first bending arms in each second clamping key structure are different, the widths of the second bending arms in each second clamping key structure are different, and the widths of the first bending arms and the second bending arms in the same second clamping key structure are the same.

In a further improvement, each surface of the first clamping block or/and the second clamping block is provided with a plurality of positioning scale marks, each positioning scale mark is arranged along the length direction of the first step or/and the second step, and each positioning scale mark is arranged close to the end part of the first clamping block or/and the second clamping block.

In a further improvement, a positioning groove is further formed in the side face, on which the second clamping key structure is arranged, of the first clamping block or/and the second clamping block, the positioning groove is located on the side of the first bending arm or/and the second bending arm, and a positioning piece is movably inserted into the positioning groove.

Compared with the prior art, the utility model discloses technical scheme's beneficial effect:

the utility model discloses an anchor clamps body comprises first clamp splice and second clamp splice, and first clamp splice and second clamp splice form a plurality of key structures of pressing from both sides when closing, and each presss from both sides key structure can the different types of key of centre gripping, can press from both sides the different positions of key to can process the different positions of different keys or key. The utility model discloses a first clamp splice and second clamp splice pass through locking device to be fixed on the fixed plate, when needs switch over different clamp key structure centre gripping keys, loosen first clamp splice and second clamp splice through locking device, will correspond press from both sides key structure and switch into operating condition, will correspond the key through this clamp key structure centre gripping, then through locking device locking first clamp splice, second clamp splice, fixed plate again, make this clamp key structure press from both sides tight this key. Simultaneously through every concave strip and the cooperation of many recesses, the homoenergetic is locked by locking device and is fixed on the fixed plate when making each press from both sides key structure and switching into operating condition, and it is also very convenient to switch, and the flexible operation is convenient, and the location is accurate, and it is many to be suitable for the key kind, has reduced the work load of processing the key.

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 the structures shown in the drawings without creative efforts.

FIG. 1 is a perspective view of the present invention;

FIG. 2 is an exploded view of FIG. 1;

FIG. 3 is a perspective view of another perspective of the present invention;

fig. 4 is a perspective view of another perspective of the present invention;

FIG. 5 is a cross-sectional view;

FIG. 6 is another cross-sectional view;

fig. 7 is a schematic view of a base structure.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators in the embodiments of the present invention, such as upper, lower, left, right, front and rear … …, are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture as shown in the drawings, and if the specific posture is changed, the directional indicator is changed accordingly.

In the present application, unless expressly stated or limited otherwise, the terms "connected" and "fixed" are to be construed broadly, e.g., "fixed" may be fixedly connected or detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

In this embodiment, the rotation connection of each part can adopt the bolt connection, and the parts that make two connections produce mutual rotations through the bolt, can also pass through modes such as screw certainly.

Referring to fig. 1 to 7, a key holder includes a base 1, a holder body, and a locking device 4, wherein the base 1 is provided with a fixing plate 11; the clamp body comprises a first clamping block 2 and a second clamping block 3, the first clamping block 2 and the second clamping block 3 are connected in an involutory mode and form a plurality of key clamping structures in sequence when involutory, the first clamping block 2 and the second clamping block 3 are locked through a locking device 4, and the first clamping block 2 and the second clamping block 3 are further fixed on a fixing plate 11 through the locking device 4; first clamp splice 2 links to each other with the contact of fixed plate 11, is equipped with at least one spacing sand grip 12 on the fixed plate 11, and one side that first clamp splice 2 is close to fixed plate 11 is equipped with and spacing sand grip 12 complex recess 21, and every spacing sand grip 12 corresponds many recesses 21, corresponds the crisscross setting of each recess 21 of same spacing sand grip 12. The key processed in the present embodiment includes a first key 101 and a second key 102, but the key holder of the present embodiment is not limited to the fixation of the two keys. In the present embodiment, the protruding strip 12 and the fixing plate 11 are separated from each other, and the protruding strip 12 is fixed to the fixing plate 11 by means of an insert. Preferably, the number of the concave strips 12 is two, and correspondingly, the number of the concave grooves 21 is two, the concave grooves 21 include two first concave grooves 211 and two second concave grooves 212, the two first concave grooves 211 are perpendicular to each other, the two second concave grooves 212 are perpendicular to each other, and each first concave groove 211 and the corresponding second concave groove 212 are parallel to each other. The first clamping block 2 and the second clamping block 3 are respectively provided with four clamping surfaces which form four clamping key structures. The base 1 comprises a base plate 10 and a fixing plate 11, the base plate 10 is generally fixed on a processing machine, and the fixing plate 11 is perpendicular to the base plate 10.

In this embodiment, at least two guide rods 5 are further disposed between the first clamping block 2 and the second clamping block 3, the guide rods 5 are parallel to each other, the first clamping block 2 and the second clamping block 3 are movably folded along the length direction of the guide rods 5, and an elastic element 6 is further disposed between the first clamping block 2 and the second clamping block 3. Preferably, the number of the guide rods 5 is two, the elastic element 6 is a spring, the number of the spring is two, the spring and the guide rods 5 are parallel to each other, and the first clamping block 2 and the second clamping block 3 can be clamped more tightly and firmly when being involutory locked through the guide of the guide rods 5. The spring can realize the automatic distance adjustment when closing first clamp splice 2 and second clamp splice 3.

In this embodiment, locking device 4 includes screw rod 41 and handle 42, screw rod 41 includes screw head 411 and screw post 412, screw head 411 is connected at the head end of screw post 412, the end at screw post 412 is established to handle 42 cover, the one side that first clamp splice 2 was kept away from to second clamp splice 3 is equipped with the spacing hole 31 with screw head 411 complex, screw post 412 passes first clamp splice 2 in proper order, second clamp splice 3, link to each other with handle 42 behind the fixed plate 11, screw post 412 passes first clamp splice 2 from spacing hole 31, screw head 411 activity card is established in spacing hole 31. When the key clamping structure is switched, the locking device is firstly loosened, the first clamping block 2 and the second clamping block 3 rotate around the screw rod column 412 for 90 degrees or 180 degrees or 270 degrees together, and then the locking device is used for locking. When the handle 42 is screwed down, the screw head 411 of the screw 41 is clamped in the limiting hole 31, preferably, the screw head 41 is a hexagonal screw head, the limiting hole 31 is a hole matched with the hexagonal screw head, the hexagonal screw head can be clamped in the hole, when the handle 42 rotates on the screw column 412, because the hexagonal screw head is clamped in the hole, the screw column 412 cannot rotate relatively, so that the handle 42 can be screwed down on the screw column 412 smoothly.

In this embodiment, the middle of the screw column 412 is provided with a waist hole 413, the side end of the fixing plate 11 is provided with a first connecting hole 13 penetrating to the waist hole 413, and the first connecting hole 13 and the waist hole 413 are movably inserted with a limiting rod 14.

In this embodiment, the screw column 412 is further sleeved with a screw sleeve 43, the screw sleeve 43 is located in the middle of the screw column 412, one end of the screw sleeve 43 passes through the fixing plate 11 and then movably extends to the first clamping block 2, the other end of the screw sleeve 43 is provided with a limiting handle 431, one surface of the fixing plate 11 close to the handle 42 is provided with a limiting groove 15 matched with the limiting handle 431, and the limiting handle 431 of the screw sleeve 43 is clamped in the limiting groove 15; the limiting handle 431 is in a strip shape, a through hole is formed in the middle of the limiting handle 431 so that the screw column 412 can penetrate through the through hole, and the limiting groove 15 is a strip-shaped groove matched with the limiting handle 431 so that the limiting handle 431 can be clamped.

The middle part of the screw rod sleeve 43 is provided with a second connecting hole 432, the first connecting hole 13, the second connecting hole 432 and the waist hole 413 are sequentially communicated, and the limiting rod 14 is movably and sequentially inserted into the first connecting hole 13, the second connecting hole 432 and the waist hole 413. The limiting rod 14 can prevent the key from being suddenly disassembled when a wider key is clamped or the distance between the first clamping block 2 and the second clamping block 3 is too large.

In this embodiment, a bearing 421 is embedded at one end of the handle 42 connected to the screw rod column 412, and the screw rod 41 sequentially passes through the first clamping block 2, the second clamping block 3, the fixing plate 11 and the bearing 421 and then is connected to the handle 42. The bearing 421 is a thrust bearing, and the bearing 421 is fitted to the handle 42, whereby smooth rotation of the handle 42 can be ensured.

In this embodiment, the key clamping structure includes at least one first key clamping structure 7 and at least one second key clamping structure 8, and each first key clamping structure 7 and each second key clamping structure 8 are sequentially distributed on each side of the clamp body;

the first key clamping structure 7 comprises a first step 71 arranged at one end of the first clamping block 2 and a second step 72 arranged at one end of the second clamping block 3, and the first step 71 and the second step 72 form a first key clamping part 701 when the first clamping block 2 and the second clamping block 3 are closed; the first clamp key structure 7 is mainly suitable for flat milling, i.e. milling the top surfaces of the first key 101 and the second key 102. The first step 71 and the second step 72 fix the first key 101 by clamping the two sides of the first key.

The second presss from both sides key structure 8 is including locating the first arm 81 that bends of 2 one side tip of first clamp splice and locating the second arm 82 that bends of 3 one side tip of second clamp splice, first arm 81 and the second arm 82 that bends form second key clamping part 801 when first clamp splice 2 and second clamp splice 3 are to closing, the tip of first arm 81 that bends and the tip of the second arm 82 that bends are crisscross to be set up, be equipped with screw hole 83 on first arm 81 or the second arm 82 that bends, screw hole 83 fit is equipped with locking bolt 84. The second clamp key structure 8 is mainly suitable for end milling, i.e. milling the side of the second key 102. When the second key 102 is clamped, the first bending arm 81 and the second bending arm 82 fixedly clamp both sides of the second key 102, and the locking bolt 84 is screwed in the threaded hole 83 and abuts against the top end of the second key 102 to be fixed to the second key 102 in the vertical direction.

In this embodiment, the number of the second clip key structures 8 is at least two, the widths of the first bending arms 81 in each second clip key structure 8 are different, the widths of the second bending arms 82 in each second clip key structure 8 are different, and the widths of the first bending arms 81 and the second bending arms 82 in the same second clip key structure 8 are the same. The width of the first and second bending arms 81 and 82 of the different second key structures 8 is different, and mainly the second key 102 is suitable for the distance between the shoulder step and the tail handle ornament. The first clamping key structure 7 and the second clamping key structure 8 are switched to be suitable for copying and processing of two keys of a flat milling key and a vertical milling key.

In this embodiment, each surface of the first clamping block 2 or/and the second clamping block 3 is provided with a plurality of positioning scale lines 91, each positioning scale line 91 is arranged along the length direction of the first step 71 or/and the second step 72, and each positioning scale line 91 is arranged near the end of the first clamping block 2 or/and the second clamping block 3.

In this embodiment, the side of the second clamping key structure 8 on the first clamping block 2 or/and the second clamping block 3 is further provided with a positioning groove 92, the positioning groove 92 is located at the side of the first bending arm 81 or/and the second bending arm 82, and a positioning plate 93 is movably inserted into the positioning groove 92. If the front end positioning is adopted when clamping the first key 101 or the second key 102, the first key is positioned through the positioning scale mark 91; if the second key 102 is positioned by the shoulder, the positioning piece 93 slides in the positioning groove 92 for positioning.

The above only is the preferred embodiment of the present invention, not so limiting the patent scope of the present invention, all under the concept of the present invention, the equivalent structure transformation made by the contents of the specification and the drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims (10)

1. A key clamp is characterized by comprising a base (1), a clamp body and a locking device (4), wherein a fixing plate (11) is arranged on the base (1); the clamp body comprises a first clamping block (2) and a second clamping block (3), the first clamping block (2) and the second clamping block (3) are connected in an involutory mode and sequentially form a plurality of key clamping structures when involutory, the first clamping block (2) and the second clamping block (3) are locked through a locking device (4), and the first clamping block (2) and the second clamping block (3) are further fixed on a fixing plate (11) through the locking device (4); first clamp splice (2) link to each other with fixed plate (11) contact, be equipped with an at least spacing sand grip (12) on fixed plate (11), one side that first clamp splice (2) are close to fixed plate (11) is equipped with spacing sand grip (12) complex recess (21), and every spacing sand grip (12) correspond many recesses (21), correspond each recess (21) crisscross setting of same spacing sand grip (12).

2. The key holder according to claim 1, characterized in that at least two guide rods (5) are further arranged between the first clamping block (2) and the second clamping block (3), the guide rods (5) are parallel to each other, the first clamping block (2) and the second clamping block (3) are movably involuted along the length direction of the guide rods (5), and an elastic element (6) is further arranged between the first clamping block (2) and the second clamping block (3).

3. The key holder of claim 1, wherein the locking device (4) comprises a screw (41) and a handle (42), the screw (41) comprises a screw head (411) and a screw column (412), the screw head (411) is connected to the head end of the screw column (412), the handle (42) is sleeved on the tail end of the screw column (412), one surface of the second clamping block (3) far away from the first clamping block (2) is provided with a limiting hole (31) matched with the screw head (411), the screw column (412) sequentially passes through the first clamping block (2), the second clamping block (3) and the fixing plate (11) and then is connected with the handle (42), the screw column (412) passes through the first clamping block (2) from the limiting hole (31), and the screw head (411) is movably clamped in the limiting hole (31).

4. The key holder according to claim 3, wherein the screw post (412) is provided with a waist hole (413) at a middle portion thereof, the fixing plate (11) is provided at a side end thereof with a first connecting hole (13) penetrating to the waist hole (413), and a stopper rod (14) is movably inserted into the first connecting hole (13) and the waist hole (413).

5. The key holder according to claim 4, wherein the screw column (412) is further sleeved with a screw sleeve (43), the screw sleeve (43) is located in the middle of the screw column (412), one end of the screw sleeve (43) passes through the fixing plate (11) and then movably extends to the first clamping block (2), the other end of the screw sleeve (43) is provided with a limiting handle (431), one surface of the fixing plate (11) close to the handle (42) is provided with a limiting groove (15) matched with the limiting handle (431), and the limiting handle (431) of the screw sleeve (43) is clamped in the limiting groove (15);

the middle part of the screw rod sleeve (43) is provided with a second connecting hole (432), the first connecting hole (13), the second connecting hole (432) and the waist hole (413) are sequentially communicated, and the limiting rod (14) is movably inserted in the first connecting hole (13), the second connecting hole (432) and the waist hole (413) in sequence.

6. The key holder according to claim 3, wherein a bearing (421) is embedded in one end of the handle (42) connected to the screw column (412), and the screw (41) is connected to the handle (42) after sequentially passing through the first clamping block (2), the second clamping block (3), the fixing plate (11) and the bearing (421).

7. The key holder according to any one of claims 1 to 6, wherein said clip key structure comprises at least one first clip key structure (7) and at least one second clip key structure (8), each first clip key structure (7) and second clip key structure (8) being distributed in sequence on each side of the holder body;

the first key clamping structure (7) comprises a first step (71) arranged at one end of the first clamping block (2) and a second step (72) arranged at one end of the second clamping block (3), and the first step (71) and the second step (72) form a first key clamping part (701) when the first clamping block (2) and the second clamping block (3) are closed;

the second presss from both sides key structure (8) including first bending arm (81) of locating first clamp splice (2) one side tip and second bending arm (82) of locating second clamp splice (3) one side tip, first bending arm (81) and second bending arm (82) form second key clamping part (801) when first clamp splice (2) and second clamp splice (3) are closing, the tip of first bending arm (81) and the tip of second bending arm (82) are crisscross to be set up, be equipped with screw hole (83) on first bending arm (81) or the second bending arm (82), screw hole (83) fit in is equipped with locking bolt (84).

8. The key holder according to claim 7, characterized in that the number of the second clip key structures (8) is at least two, the width of the first bending arm (81) in each second clip key structure (8) is different, the width of the second bending arm (82) in each second clip key structure (8) is different, and the width of the first bending arm (81) and the second bending arm (82) in the same second clip key structure (8) is the same.

9. The key holder according to claim 7, characterized in that a plurality of positioning marks (91) are provided on each face of the first clamping piece (2) or/and the second clamping piece (3), each positioning mark (91) is provided along the length direction of the first step (71) or/and the second step (72), and each positioning mark (91) is provided near the end of the first clamping piece (2) or/and the second clamping piece (3).

10. The key holder according to claim 9, characterized in that the side of the first clamping block (2) or/and the second clamping block (3) on which the second key-clamping structure (8) is provided is further provided with a positioning groove (92), the positioning groove (92) is located at the side of the first bending arm (81) or/and the second bending arm (82), and a positioning plate (93) is movably inserted in the positioning groove (92).

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