CN209954590U

CN209954590U - Flat key disassembling tool

Info

Publication number: CN209954590U
Application number: CN201920196755.1U
Authority: CN
Inventors: 徐正刚; 王克锋; 杨家荣
Original assignee: Hongta Tobacco Group Co Ltd
Current assignee: Hongta Tobacco Group Co Ltd
Priority date: 2019-02-14
Filing date: 2019-02-14
Publication date: 2020-01-17
Anticipated expiration: 2029-02-14

Abstract

The utility model relates to a flat key disassembly tool, which belongs to the field of flat key disassembly equipment, and comprises a fixed block, a clamping block, two jaws, a supporting block and a wrench; the fixed block and the clamping block are bilaterally symmetrical, the inner sides of the bottoms of the fixed block and the clamping block are respectively provided with a groove A, the rear sides of the fixed block and the clamping block are respectively provided with a groove B, the front side of the fixed block is provided with a groove C, the front side of the clamping block is provided with a groove D, and the top of the fixed block is provided with two positioning holes vertical to the guide holes; the two jaws are respectively fixed in the grooves A of the fixed block and the clamping block; the bolt A penetrates through the adjusting hole to be connected with the fixing block and the clamping block and adjust the distance between the two jaws, and the guide pin guide hole is further connected with the fixing block and the clamping block and keeps the fixing block and the clamping block parallel; the supporting shoe is equipped with recess C assorted boss, and the one end of boss is fixed in recess C, recess D slidable ground in the other end block of boss. The utility model discloses simple structure, convenient operation has effectively solved the parallel key and has been difficult to dismantle and the fragile technical problem when dismantling.

Description

Flat key disassembling tool

Technical Field

The utility model belongs to flat key dismantlement equipment field, specific theory relates to a frock is dismantled to flat key.

Background

The flat key is a key which is used for transmitting torque by using two side surfaces as working surfaces and by pressing the key and the side surface of the key groove, and is mostly arranged on a shaft. The service life is longer or be in bad operational environment for a long time, can have dust, greasy dirt etc. with the card unavoidably between flat key and the keyway, and the flat key is because there is not the ejecting screw hole of dismantlement usefulness, consequently demolishs comparatively difficultly, and can cause the damage of flat key a little carelessly in the dismantlement process.

Therefore, there is a need for a device suitable for detaching a flat key, which can easily detach the flat key intact.

Disclosure of Invention

In order to overcome the problem that exists among the background art, the utility model provides a frock is dismantled to flat key has effectively solved the flat key and has dismantled the problem that the difficulty easily harmd in the process with dismantling. And simple structure, simple operation, convenient to use. The method is particularly suitable for removing the flat key on the shaft.

The terms of orientation such as left-right, front-back, etc. described in the present invention are used for convenience of expressing the structure of the present situation, and the use orientation of the present invention is not limited.

In order to achieve the above purpose, the utility model is realized by the following technical scheme:

the flat key disassembling tool comprises a fixing block 1, a clamping block 2, two jaws 3, a supporting block 4 and a wrench; the fixing block 1 and the clamping block 2 are arranged in a bilateral symmetry mode, the lower portions of the fixing block 1 and the clamping block 2 are respectively provided with two adjusting holes 6 corresponding to each other left and right, the upper portions of the fixing block 1 and the clamping block 2 are respectively provided with two guide holes 7 corresponding to each other left and right, the inner sides of the bottoms of the fixing block 1 and the clamping block 2 are respectively provided with a groove A8 corresponding to each other left and right, the rear sides of the fixing block 1 and the clamping block 2 are respectively provided with a groove B9 corresponding to each other left and right, the front side of the fixing block 1 is provided with a groove C10; a bolt A13 penetrates through the adjusting holes 6 on the fixed block 1 and the clamping block 2 to connect the fixed block 1 and the clamping block 2 and adjust the distance between the fixed block 1 and the clamping block 2, and a guide pin 14 penetrates through the guide holes 7 on the fixed block 1 and the clamping block 2 to further connect the fixed block 1 and the clamping block 2 and keep the fixed block 1 and the clamping block 2 parallel; the positioning bolt 15 passes through the positioning hole 12 to fix the guide pin 14; the groove A8 is matched with the two jaws 3, and the two jaws 3 are respectively fixed in the grooves A8 of the fixed block 1 and the clamping block 2; the wrench comprises a handle 16 and a fixture block 17, the fixture block 17 is matched with the groove B9, and the fixture block 17 is clamped in the grooves B9 of the fixing block 1 and the clamping block 2; the supporting block 4 is provided with a boss 18 matched with the groove C10, one end of the boss 18 is fixed in the groove C10, and the groove D11 is slidably clamped at the other end of the boss 18.

Preferably, bolt holes a19 are respectively formed in the side walls of the grooves A8 of the fixing block 1 and the clamping block 2; bolt holes B20 corresponding to the bolt holes A19 are respectively formed in the outer sides of the two jaws 3, and bolts B21 penetrate through the bolt holes A19 and the bolt holes B20 to fix the two jaws 3 in grooves A8 of the fixing block 1 and the clamping block 2 respectively.

Preferably, a bolt hole C is formed in the groove C10; bolt holes D22 corresponding to the bolt holes C are formed in the supporting block 4, and bolts C23 penetrate through the bolt holes C and the bolt holes D22 to fix the supporting block 4 on the fixing block 1.

Preferably, the adjustable distance between the two jaws 3 is 0-20 mm.

Preferably, the length of the supporting block 4 and the fixture block 17 is not less than the sum of the maximum adjustable distance between the two jaws 3 and the thickness of the fixing block 1 and the clamping block 2.

Preferably, the inner side surface of the jaw 3 is provided with stripes for increasing friction force.

Preferably, the clamping block 2 and the fixing block 1 are made of high-carbon steel.

Preferably, the material of the spanner is spring steel.

Preferably, the supporting block 4 and the jaw 3 are made of brass.

The utility model has the advantages that:

the utility model adopts the matching use of the fixed block and the clamping block, and indirectly adjusts the distance between the two jaws by adjusting the distance between the fixed block and the clamping block by fixing the two jaws in the groove A, thereby clamping the axial flat key; meanwhile, the spanner and the supporting block are used, and the flat key is taken out from the key groove by rotating the utility model, so that the technical problems that the flat key is difficult to disassemble and easy to damage during disassembling are effectively solved; simple structure, convenient operation and wide popularization value.

Drawings

Fig. 1 is an exploded view of the present invention;

fig. 2 is a schematic view of the overall structure of the present invention;

fig. 3 is a schematic view of the usage state of the present invention;

in the figure, 1-fixing block, 2-clamping block, 3-jaw, 4-supporting block, 6-adjusting hole, 7-guiding hole, 8-groove A, 9-groove B, 10-groove C, 11-groove D, 12-positioning hole, 13-bolt A, 14-guiding pin, 15-positioning bolt, 16-handle, 17-clamping block, 18-boss, 19-bolt hole A, 20-bolt hole B, 21-bolt B, 22-bolt hole D, 23-bolt C and 24-shaft.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the following will explain in detail a preferred embodiment of the present invention with reference to the accompanying drawings to facilitate understanding of the skilled person.

As shown in fig. 1-3, the flat key dismounting tool comprises a fixed block 1, a clamping block 2, two jaws 3, a supporting block 4 and a wrench; wherein fixed block 1 and the tight piece 2 bilateral symmetry setting of clamp, and the lower part of fixed block 1 and the tight piece 2 of clamp is equipped with two bilateral symmetry's regulation hole 6 that the diameter is 6.2mm respectively, and bolt A13 passes the regulation hole 6 on fixed block 1 and the tight piece 2 of clamp and connects fixed block 1 and the tight piece 2 of clamp and adjust the interval between the two. Two guide holes 7 with the diameter of mm are arranged on the upper portions of the fixed block 1 and the clamping block 2 in bilateral symmetry respectively, and guide pins 14 with the diameter of mm penetrate through the guide holes 7 on the fixed block 1 and the clamping block 2 to further connect the fixed block 1 and the clamping block 2 and keep the fixed block 1 and the clamping block 2 parallel. The top of the fixed block 1 is provided with two positioning holes 12 perpendicular to the guide holes 7, and a positioning bolt 15 passes through the positioning holes 12 to fix the guide pin 14. During the use, adjust the interval of fixed block 1 and the tight piece 2 of clamp through wrench movement bolt A13, when adjusting the interval of fixed block 1 and the tight piece 2 of clamp, because the diameter of uide pin 14 diameter is little less than the guiding hole 7 diameter, so press from both sides tight piece 2 and can move in the 14 axis direction of uide pin, simultaneously because the diameter of uide pin 14 diameter is little less than the guiding hole 7 diameter, two parts are clearance fit, and the direction precision is higher, so can guarantee that two jaws 3 are parallel relatively in the slip in-process.

The inner sides of the bottoms of the fixing block 1 and the clamping block 2 are provided with grooves A8 which are symmetrical left and right, the groove A8 is matched with the two jaws 3, and the side wall of the groove A8 is respectively provided with three bolt holes A19 with the diameter of 3.2 mm; bolt holes B20 corresponding to the bolt holes A19 are respectively arranged on the outer sides of the two jaws 3, and the depth of the bolt holes B20 is slightly smaller than the width of the jaws 3 and does not penetrate through the jaws 3. Bolts B21 pass through bolt holes a19 and B20 to secure the two jaws 3 in the grooves a8 of the holding block 1 and clamping block 2, respectively. The inner side surface (the contact surface with the flat key) of the jaw 3 is provided with a transverse stripe for increasing friction force, so that the flat key can be clamped when in use.

The rear sides of the fixing block 1 and the clamping block 2 are respectively provided with a groove B9 which is symmetrical left and right, the depth of the groove B9 is 10mm, the width of the groove B9 is 20.5mm, and the groove is used for inserting a square clamping block 17 of a wrench. The wrench comprises a handle 16 and a fixture block 17, the fixture block 17 is designed to be square and matched with the groove B9, the thickness of the fixture block 17 is 20mm, and the fixture block 17 can be just easily inserted into the grooves B9 of the fixing block 1 and the clamping block 2; the width of the fixture block 17 is the sum of the maximum adjusting distance of the two jaws 3 and the thickness of the fixture block 1 and the clamping block 2. The handle 16 is made of a spring steel rod with the diameter of 10mm, the spring steel rod is welded with the clamping block 17, and the steel rod is bent to a certain radian, so that force is conveniently applied during disassembly.

A groove C10 with the depth of 6.1mm and the width of 15mm is arranged on the front side of the fixing block 1, a groove D11 with the depth of 6.2mm and the width of 15.1mm is arranged on the front side of the clamping block 2, and a bolt hole C is formed in the groove C10; the supporting block 4 is provided with a boss 18 matched with the groove C10, the height of the boss 18 is 6.1mm, the width of the boss is 15mm, a bolt hole D22 corresponding to the bolt hole C is formed in the supporting block 4, and a bolt C23 penetrates through the bolt hole C and the bolt hole D22 to fix the supporting block 4 on the fixing block 1. Three sides of the boss 18 have certain clearance with the groove D11 on the clamping block, and when the distance between the two jaws 3 is adjusted, the clamping block 2 can slide along the boss 18 of the supporting block 4. The adjustable distance between the two jaws 3 is 0-20 mm.

The length of the supporting block 4 and the fixture block 17 is not less than the sum of the maximum adjustable distance between the two jaws 3 and the thickness of the fixing block 1 and the clamping block 2.

The clamping block 2 and the fixing block 1 are made of high-carbon steel; the spanner is made of spring steel; the supporting block 4 and the jaw 3 are made of brass.

The utility model discloses a working process:

will the utility model discloses to the flat key on the alignment shaft 24, wrench movement bolt A13 adjusts the interval of fixed block 1 and clamp piece 2, and the interval of two pincers 3 is adjusted thereupon. During the adjustment, press from both sides tight piece 2 and remove to fixed block 1 along the locating pin 14 axial, the utility model discloses a bottom and the contact of axle 24 to furthest cliies the parallel key, when two keep silent 3 press from both sides the parallel key tightly, with supporting shoe 4 as the atress fulcrum, upwards lift handle 16, the utility model discloses be rotary motion together with the parallel key that needs to dismantle, thereby take out the parallel key from the keyway. After taking out the flat key, reverse torsion bolt A13 increases the interval of two keep silent 3, follows the flat key the utility model discloses in take out.

Finally, it is noted that the above-mentioned preferred embodiments illustrate rather than limit the invention, and that, although the invention has been described in detail with reference to the above-mentioned preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a frock is dismantled to parallel key which characterized in that: the flat key disassembling tool comprises a fixing block (1), a clamping block (2), two jaws (3), a supporting block (4) and a wrench; the clamping device comprises a fixing block (1), a clamping block (2), a clamping block and a clamping device, wherein the fixing block (1) and the clamping block (2) are arranged in a bilateral symmetry mode, the lower portions of the fixing block (1) and the clamping block (2) are respectively provided with two adjusting holes (6) corresponding to the left and the right, the upper portions of the fixing block (1) and the clamping block (2) are respectively provided with two guide holes (7) symmetrical to the left and the right, the inner sides of the bottoms of the fixing block (1) and the clamping block are respectively provided with grooves A (8) symmetrical to the left and the right, the rear sides of the fixing block (1) and the clamping block are respectively provided with grooves B (9) corresponding to; a bolt A (13) penetrates through adjusting holes (6) in the fixed block (1) and the clamping block (2) to connect the fixed block (1) and the clamping block (2) and adjust the distance between the fixed block (1) and the clamping block (2), and a guide pin (14) penetrates through guide holes (7) in the fixed block (1) and the clamping block (2) to further connect the fixed block (1) and the clamping block (2) and keep the fixed block (1) and the clamping block (2) parallel; a positioning bolt (15) penetrates through the positioning hole (12) to fix the guide pin (14); the groove A (8) is matched with the two jaws (3), and the two jaws (3) are respectively fixed in the grooves A (8) of the fixing block (1) and the clamping block (2); the wrench comprises a handle (16) and a clamping block (17), the clamping block (17) is matched with the groove B (9), and the clamping block (17) is clamped in the grooves B (9) of the fixing block (1) and the clamping block (2); supporting shoe (4) are equipped with boss (18) with recess C (10) assorted, and the one end of boss (18) is fixed in recess C (10), recess D (11) slidable ground and the other end block of boss (18).

2. The flat key disassembling tool according to claim 1, characterized in that: the side walls of the grooves A (8) of the fixing block (1) and the clamping block (2) are respectively provided with a bolt hole A (19); bolt holes B (20) corresponding to the bolt holes A (19) are respectively formed in the outer sides of the two jaws (3), and bolts B (21) penetrate through the bolt holes A (19) and the bolt holes B (20) to fix the two jaws (3) in grooves A (8) of the fixing block (1) and the clamping block (2) respectively.

3. The flat key disassembling tool according to claim 1, characterized in that: a bolt hole C is formed in the groove C (10); and a bolt hole D (22) corresponding to the bolt hole C is formed in the supporting block (4), and a bolt C (23) penetrates through the bolt hole C and the bolt hole D (22) to fix the supporting block (4) on the fixing block (1).

4. The flat key disassembling tool according to claim 1, characterized in that: the adjustable distance between the two jaws (3) is 0-20 mm.

5. The flat key disassembling tool according to claim 1, characterized in that: the lengths of the supporting block (4) and the clamping block (17) are not less than the sum of the maximum adjustable distance between the two jaws (3) and the thicknesses of the fixing block (1) and the clamping block (2).

6. The flat key disassembling tool according to claim 1, characterized in that: stripes for increasing friction force are arranged on the inner side surface of the jaw (3).

7. The flat key disassembling tool according to claim 1, characterized in that: the clamping block (2) and the fixing block (1) are made of high-carbon steel.

8. The flat key disassembling tool according to claim 1, characterized in that: the material of spanner is spring steel.

9. The flat key disassembling tool according to claim 1, characterized in that: the supporting block (4) and the jaw (3) are made of brass.