CN210487517U

CN210487517U - Vickers hardness tester

Info

Publication number: CN210487517U
Application number: CN201920884271.6U
Authority: CN
Inventors: 刘旭东
Original assignee: Beijing Hangba Chengcheng Testing Technology Co ltd
Current assignee: Beijing Hangba Chengcheng Testing Technology Co ltd
Priority date: 2019-06-12
Filing date: 2019-06-12
Publication date: 2020-05-08
Anticipated expiration: 2029-06-12

Abstract

The utility model relates to a vickers hardness tester, it includes the organism, top position fixedly connected with eyepiece in the front of organism, the mounting groove has been seted up at the positive middle part of organism, fixedly connected with elevating platform on the bottom lateral wall of mounting groove, fixedly connected with pressure device on the top lateral wall of mounting groove, be provided with the sliding sleeve relatively in the both sides that the organism corresponds the mounting groove, there is the dust shell through sliding sleeve sliding connection, the cover is established and is the opening at both ends about the dust shell in the mounting groove outside, and the dust shell is the opening with the positive relative lateral wall of mounting groove, the dust shell is vertical along the spout from the top opening part of sliding sleeve and inserts, and the dust shell is along the top and the bottom fixedly connected with slide bar of the gliding lateral wall of spout, the length of slide bar is. The utility model discloses have the little nimble dirt-proof effect of area occupied.

Description

Vickers hardness tester

Technical Field

The utility model belongs to the technical field of detection device's technique and specifically relates to a vickers hardness tester is related to.

Background

The vickers hardness tester is mainly used for oozing small, slim test piece and surface, part and agate after the plating treatment, brittle materials such as glass test, the vickers hardness tester includes organism and micrometering eyepiece, the installation groove has openly been seted up to the organism, be provided with the elevating platform in the installation groove, be fixed with the test bench that is used for placing the determinand on the elevating platform, the roof of installation groove is provided with pressure head and objective, but when the vickers hardness tester does not use, the elevating platform in the installation groove, the test bench, pressure head and objective expose externally completely, easy deposition can influence next normal use.

The existing Chinese patent with the publication number of CN206470143U provides a Vickers hardness tester, which is characterized in that dust-proof plates are hinged on two sides of a machine body corresponding to an installation groove, a connecting plate is arranged between the dust-proof plates, one side of the connecting plate is hinged on one of the dust-proof plates, and the other side of the connecting plate is provided with a fixing part fixed with the other dust-proof plate.

But because the dust guard articulates the both sides at the mounting groove and one of them still is fixed with the connecting plate, need open articulated dust guard and connecting plate completely when using, lead to dust guard and connecting plate to occupy very large tracts of land, and then lead to inconvenient when the operation, probably will hit on dust guard or articulated slab carelessly to damage dust keeper, it is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a Vickers hardness tester, it has the little nimble dustproof effect of area occupied.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

the utility model provides a vickers hardness tester, includes the organism, at the positive top fixedly connected with eyepiece of organism, the mounting groove has been seted up at the positive middle part of organism, fixedly connected with elevating platform on the bottom lateral wall of mounting groove, be fixed with the test bench on the top of elevating platform, fixedly connected with pressure device on the top lateral wall of mounting groove, pressure device and elevating platform set up relatively from top to bottom, pressure device includes the pressure head, the pressure head sets up relatively from top to bottom with the test bench, at the circumferencial direction fixedly connected with objective of pressure head, its characterized in that: the both sides that correspond the mounting groove at the organism are provided with the sliding sleeve relatively, there is the dust cover through sliding sleeve sliding connection, the cover is established and is opened at both ends about the dust cover in the mounting groove outside, and the dust cover is the opening with the positive relative lateral wall of mounting groove, the dust cover is vertical along the spout from the top end opening part of sliding sleeve and inserts, and the dust cover is along the top and the bottom fixedly connected with slide bar of the gliding lateral wall of spout, the slide bar sets up along the length direction of dust cover, and the length of slide bar is identical with the length of sliding sleeve mutually.

Through adopting above-mentioned technical scheme, set up through the cooperation of dustcoat with the sliding sleeve, realize setting up the mounting groove cover.

The utility model discloses further set up to: the top of sliding sleeve is provided with spacing card, and spacing card sets up along the width direction of sliding sleeve, and the one end of spacing card is articulated fixed with the top of sliding sleeve, and the other end laminating of spacing card is placed on the top of sliding sleeve and is fixed together through the snap close piece.

Through adopting above-mentioned technical scheme, through the setting of spacing card, realize spacing to the dust cover.

The utility model discloses further set up to: the lock catch piece comprises a lock cover, an annular lock catch and a lock hook, wherein the lock cover is hinged to the side wall of the sliding sleeve, the lock hook is fixed on the limiting clamp and is arranged opposite to the lock cover, the lock cover rotates around the hinged position in the direction of the lock hook, one end of the annular lock catch is hinged to the lower portion of the inner side of the lock cover, the other end of the annular lock catch can be clamped into the lock hook, during installation, the annular lock catch is clamped into the lock hook, fixed connection between the limiting clamp and the sliding sleeve is achieved, the lock cover is rotated downwards, and the.

Through adopting above-mentioned technical scheme, through the setting of hasp piece, realize opening and shutting of nimble control spacing card.

The utility model discloses further set up to: spacing card is the arc, and spacing card is crooked towards the direction of keeping away from the sliding sleeve.

Through adopting above-mentioned technical scheme, be curved setting through spacing card, realize that the slide bar can rotate in a flexible way in spacing card.

The utility model discloses further set up to: the side walls of the two opposite sides of the dustproof shell in the length direction are respectively and fixedly connected with a handle.

Through adopting above-mentioned technical scheme, through the setting of handle, realize being convenient for carry and carry the pulling dust cover.

The utility model discloses further set up to: a plurality of operating rods are fixedly connected to the hand wheel along the circumferential direction of the hand wheel.

Through adopting above-mentioned technical scheme, through the setting of action bars, be convenient for rotate the hand wheel.

The utility model discloses further set up to: fixedly connected with bracing piece on the relative lateral wall that sets up along organism length direction on the organism, the width direction setting along the organism of bracing piece, and the distance on bracing piece and organism top is less than the width of dust cover.

Through adopting above-mentioned technical scheme, through the setting of bracing piece, the dust cover that the realization is convenient for will mention supports.

The utility model discloses further set up to: the dustproof shell is made of transparent materials.

Through adopting above-mentioned technical scheme, adopt transparent material to make through the dust cover, realize being convenient for observe the inside condition of dust cover.

To sum up, the utility model discloses a beneficial technological effect does:

1. the dustproof effect on the objective lens, the pressure head and the lifting platform is realized through the arrangement of the dustproof shell;

2. through the cooperation setting of sliding sleeve and dust cover, realize making the dust cover nimble slip.

Drawings

FIG. 1 is a schematic view of a Vickers hardness tester;

FIG. 2 is a cross-sectional view of the sliding sleeve;

fig. 3 is a schematic structural view of the catch member.

In the figure, 1, a machine body; 11. an eyepiece; 12. mounting grooves; 14. a support bar; 2. a lifting platform; 21. a hand wheel; 211. an operating lever; 22. a support pillar; 23. testing the table; 3. a pressure device; 31. a pressure head; 32. an objective lens; 4. a sliding sleeve; 41. a chute; 42. a fastener; 421. a locking cover; 422. an annular lock catch; 423. a latch hook; 43. a limiting card; 5. a dust-proof shell; 51. a slide bar; 52. a handle.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1, for the utility model discloses a vickers hardness tester, including organism 1, at the positive top fixedly connected with eyepiece 11 of organism 1, mounting groove 12 has been seted up at the positive middle part of organism 1, fixedly connected with elevating platform 2 on the bottom lateral wall of mounting groove 12, elevating platform 2 includes hand wheel 21, hand wheel 21 is cylindrically, a plurality of action bars 211 of circumference fixedly connected with along hand wheel 21 on hand wheel 21, it is connected with support column 22 to rotate on hand wheel 21, at the top fixedly connected with test bench 23 of support column 22, can drive support column 22 up-and-down motion through hand wheel 21. Fixedly connected with pressure device 3 on the top lateral wall of mounting groove 12, pressure device 3 sets up with elevating platform 2 relative from top to bottom, and pressure device 3 includes pressure head 31, and pressure head 31 sets up with examination platform 23 relative from top to bottom, at the circumferencial direction fixedly connected with objective 32 of pressure head 31. By rotating the operating rod 211, the hand wheel 21 is driven to rotate, so that the hand wheel 21 drives the supporting column 22 to ascend and descend, and further the height of the test bed 23 is adjusted as required.

Sliding sleeves 4 are oppositely arranged on two sides of the machine body 1 corresponding to the mounting grooves 12, and dustproof shells 5 are connected through the sliding sleeves 4 in a sliding mode. The dust-proof shell 5 can cover the whole installation groove 12.

Referring to fig. 1 and 2, the sliding sleeve 4 is a rectangular column with an open top end, the height of the sliding sleeve 4 is greater than that of the mounting groove 12, one side of the sliding sleeve 4 opposite to the machine body 1 is an opening, and the front side wall of the sliding sleeve 4 is flush with the front side wall of the mounting groove 12 and a gap is left between the front side wall of the sliding sleeve 4 and the machine body 1 to form a sliding groove 41.

The both ends are the opening about the shield 5 of cover establishing in the mounting groove 12 outside, and shield 5 and the positive relative lateral wall of mounting groove 12 are the opening, shield 5 is vertical along spout 41 from the top end opening part of sliding sleeve 4 and inserts, and shield 5 is from the top and the bottom fixedly connected with slide bar 51 of the gliding lateral wall of spout 41, slide bar 51 sets up along the length direction of shield 5, and slide bar 51's length is identical with the length of sliding sleeve 4, so insert from the top of sliding sleeve 4 at shield 5 and slide bar 51, shield 5 is located the relative lateral wall that sets up in the both sides of mounting groove 12 length direction and stretches out from spout 41, and then with mounting groove 12 and the elevating platform 2 of setting in mounting groove 12, pressure head 31 and objective 32 cover are established. When the bottom end of the dustproof shell 5 abuts against the bottom end of the sliding groove 41, the top end of the dustproof shell 5 is flush with the top end of the sliding sleeve 4. Handles 52 are fixedly connected to the side walls oppositely disposed at both sides of the dust-proof case 5 in the length direction, respectively, so that the dust-proof case 5 can be pulled conveniently.

Referring to fig. 2 and 3, a limiting clip 43 is arranged at the top end of the sliding sleeve 4, the limiting clip 43 is arc-shaped, and the limiting clip 43 is bent towards the direction far away from the sliding sleeve 4. The width direction of the limit card 43 along the sliding sleeve 4 is arranged, one end of the limit card 43 is hinged and fixed with the top end of the sliding sleeve 4, and the other end of the limit card 43 is attached to the top end of the sliding sleeve 4 and fixed together through the locking piece 42.

The locking member 42 includes a locking cover 421, an annular locking buckle 422 and a locking hook 423, wherein the locking cover 421 is hinged to the side wall of the sliding sleeve 4, the locking hook 423 is fixed on the position-limiting clamp 43 and is disposed opposite to the locking cover 421, and the locking cover 421 rotates around the hinged position toward the direction of the locking hook 423. One end of the annular lock catch 422 is hinged below the inner side of the lock cover 421, the other end of the annular lock catch 422 can be clamped into the lock hook 423, during installation, the annular lock catch 422 is clamped into the lock hook 423, the fixed connection between the limiting clamp 43 and the sliding sleeve 4 is realized, the lock cover 421 is rotated downwards, and the lock catch piece 42 is locked. When the locking member 42 is to be opened, the locking cover 421 is rotated upward, one end of the annular locking piece 422 is rotated upward along with the locking cover 421, the other end of the annular locking piece 422 slides out from the locking hook 423, and the locking member 42 is opened.

When using Vickers hardness timing, open the lock catch 42 and then open the spacing card 43, move the dustproof shell 5 upwards along the height direction of the sliding sleeve 4, when the sliding rod 51 at the bottom of the dustproof shell 5 slides to the top of the sliding sleeve 4, then fix the spacing card 43 with the sliding sleeve 4 through the locking piece, because the spacing card 43 is arc-shaped, the sliding rod 51 can rotate inside the spacing card 43, the dustproof shell 5 can rotate back and forth along the width direction of the machine body 1 with the sliding rod 51 at the bottom of the dustproof shell 5 as the rotating shaft, and then rotate the dustproof shell 5 along the width direction of the machine body 1 towards the direction far away from the machine body 1, when the installation groove 12 of the shield is leaked by the dustproof shell 5, the support rod 14 is fixedly connected on the side wall of the machine body 1 oppositely arranged along the length direction of the machine body 1, the support rod 14 is arranged along the width direction of the machine body 1, and the distance between the support rod 14 and the, when the dust-proof case 5 is rotated backward, the dust-proof case 5 is supported by the support rod 14. And dustproof shell 5 adopts transparent material to make, and then is convenient for observe the condition that dustproof shell 5 cover was established inside.

Open hasp piece 42 for spacing card 43 is opened, so dustproofing shell 5 can follow the vertical lapse of the direction of height of sliding sleeve 4 from the top of sliding sleeve 4, and the slide bar 51 of dustproofing shell 5 extends to slide along with dustproofing shell 5 in the sliding sleeve 4, until the bottom lateral wall of dustproofing shell 5 and the slide bar 51 of setting in the dustproofing shell 5 bottom and the bottom looks butt of sliding sleeve 4, the realization is established the cover of dustproofing shell 5 with mounting groove 12 completely in the inside, and then uses hasp piece 42 fixed with articulated spacing card 43, thereby whole with the fixed locking of dustproofing shell 5.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A Vickers hardness tester comprises a machine body (1), an ocular lens (11) is fixedly connected to the upper position of the front of the machine body (1), a mounting groove (12) is formed in the middle of the front of the machine body (1), a lifting table (2) is fixedly connected to the side wall of the bottom end of the mounting groove (12), the lifting table (2) comprises a hand wheel (21), a supporting column (22) is rotatably connected to the hand wheel (21), the supporting column (22) is driven to move up and down through the hand wheel (21), a test table (23) is fixedly connected to the top end of the supporting column (22), a pressure device (3) is fixedly connected to the side wall of the top end of the mounting groove (12), the pressure device (3) and the lifting table (2) are arranged in an up-down opposite mode, the pressure device (3) comprises a pressure head (31), the pressure head (31) and the test table (23) are arranged in, the method is characterized in that: be provided with sliding sleeve (4) relatively in organism (1) both sides that correspond mounting groove (12), the bottom of sliding sleeve (4) is for sealing, the height that is greater than mounting groove (12) of sliding sleeve (4), sliding connection has dust cover (5) through sliding sleeve (4), the both ends are the opening about the dust cover (5) of establishing in the mounting groove (12) outside, and dust cover (5) are openly relative lateral wall with mounting groove (12) and are the opening, vertical the inserting along spout (41) from the top opening part of sliding sleeve (4) of dust cover (5), and dust cover (5) are along the top and bottom fixedly connected with slide bar (51) of the side of spout (41) gliding lateral wall, the length direction setting of dust cover (5) is followed in slide bar (51), and the length of slide bar (51) coincide mutually with the length of sliding sleeve (4).

2. The vickers hardness tester as recited in claim 1, wherein: the top of sliding sleeve (4) is provided with spacing card (43), and the width direction setting along sliding sleeve (4) is followed in spacing card (43), and the one end of spacing card (43) is articulated fixed with the top of sliding sleeve (4), and the other end laminating of spacing card (43) is placed on the top of sliding sleeve (4) and is fixed together through hasp spare (42).

3. The vickers hardness tester as recited in claim 2, wherein: hasp piece (42) are including locking closure (421), annular hasp (422) and latch hook (423), wherein locking closure (421) are articulated mutually with the lateral wall of sliding sleeve (4), latch hook (423) are fixed on spacing card (43) and set up with locking closure (421) relatively, locking closure (421) rotate to the direction of latch hook (423) round articulated department, annular hasp (422) one end articulates the inboard below of locking closure (421), latch hook (423) can be blocked in to the other end, during the installation, go into latch hook (423) with annular hasp (422) card, realize the fixed connection of spacing card (43) and sliding sleeve (4), rotate locking closure (421) downwards, hasp piece (42) are locked.

4. The vickers hardness tester as recited in claim 2, wherein: spacing card (43) are the arc, and spacing card (43) are towards keeping away from the direction bending of sliding sleeve (4).

5. The vickers hardness tester as recited in claim 1, wherein: the two opposite side walls of the two sides of the dustproof shell (5) in the length direction are respectively and fixedly connected with a handle (52).

6. The vickers hardness tester as recited in claim 1, wherein: and the hand wheel (21) is fixedly connected with a plurality of operating rods (211) along the circumferential direction of the hand wheel (21).

7. The vickers hardness tester as recited in claim 1, wherein: fixedly connected with bracing piece (14) on the relative lateral wall that sets up along organism (1) length direction on organism (1), the width direction setting along organism (1) is followed in bracing piece (14), and the distance on bracing piece (14) and organism (1) top is less than the width of dust cover (5).

8. The vickers hardness tester as recited in claim 1, wherein: the dustproof shell (5) is made of transparent materials.