Wear-resistant ceramic rod and graphite boat thereof

Abstract

The utility model provides an anti-abrasion ceramic rod which comprises a rod body made of ceramic materials, and annular clamping grooves are formed in the two ends of the rod body. A clamping hoop is clamped in the clamping groove; and the inner side of the hoop abuts against the graphite boat sheet. The device has the beneficial effects that 1, the clamping structure is used for replacing a traditional thread structure of the rod body, so that the rod body is not easy to wear; 2, the clamp is clamped with the clamping groove, so that the dismounting is faster; and 3, the clamping hoop is clamped with the clamping groove, so that the clamped structure is more stable and is not easy to loosen.

Description

TECHNICAL FIELD

[0001] The utility model relates to graphite boat technical field, specifically is a kind of anti-abrasion ceramic rod and its graphite boat. BACKGROUND

[0002] At present, the fastening mode of graphite boat generally adopts the structure connected by ceramic rod, gasket and graphite nut. In this fastening mode, the two ends of the ceramic rod are designed to have external threads, and the graphite nut is threadedly connected with the threaded part of the ceramic rod, thereby realizing the fastening effect.

[0003] However, in actual application, this fastening mode has several significant problems. First, due to the brittle nature of the ceramic rod, the threaded part of its two ends is prone to wear during long-term use, especially under complex working conditions such as high-frequency vibration and temperature change. This wear not only leads to a decrease in the precision of the threads, but also makes the nut prone to slipping during the fastening process, i.e., the nut cannot effectively engage with the threaded part of the ceramic rod, resulting in poor fastening effect. Second, when the nut slips due to wear of the ceramic rod threads, the fastening force between the graphite boat pieces cannot be maintained uniformly. This not only leads to inconsistent spacing between the boat pieces, affecting the processing quality and production efficiency of the product, but also increases the risk of piece dropping during the automatic insertion process. SUMMARY

[0004] To solve the technical problems in the background art, the utility model discloses an anti-abrasion ceramic rod and its graphite boat.

[0005] The utility model provides a kind of anti-abrasion ceramic rod, including the rod body of ceramic material, the two ends of rod body are provided with annular clamping groove;

[0006] Clamping groove is clamped with clamp;

[0007] The inner side of clamp abuts against graphite boat piece.

[0008] The beneficial effects of the above arrangement are: 1. The traditional thread structure of the rod body is replaced by the clamping structure, making the rod body less prone to wear; 2. The clamp clamps the clamping groove, making disassembly more convenient; 3. The clamp clamps the clamping groove, and the structure after clamping is more stable and less prone to looseness.

[0009] If the clamping groove penetrates the end of the rod body, it provides a space for the clamping groove to slide, making the clamp prone to looseness. Therefore, further improvement is made in that: a gap is provided between the clamping groove and the end of the rod body; the clamp is composed of two symmetrical petals, each petal is provided with a semicircular groove, and the petals are clamped in the clamping groove by splicing.

[0010] For the convenience of the hoop splicing and fixing, further design is that the hoop extends radially out of a stud, and a nut is threadedly connected on the stud; the stud is composed of two symmetrical petals, and is arranged on the petals respectively.

[0011] If the stud is one, uneven distribution of the connecting strength will be caused after the hoop splicing and fixing, and the phenomenon of fracture is prone to occur, based on this, further improvement is that the stud is two symmetrically arranged.

[0012] The greater the contact area of the hoop and the card slot is, the higher the clamping strength is, so the length of the card slot needs to be lengthened; but the longer the length of the card slot is, the lower the strength of the rod body is, based on this, further improvement is that the slot wall of the card slot close to the end of the rod body is an outer slot wall, the outer slot wall is arranged obliquely, and the outer slot wall and the slot bottom form an obtuse angle.

[0013] The lower the strength of the rod body is, the easier the rod body is to break at the card slot; the lower the strength of the rod body clamped by the hoop is, the lower the stability of the clamping structure is, based on this, further improvement is that the depth of the card slot is 1 / 6-1 / 5 of the diameter of the rod body.

[0014] The longer the card slot is, the lower the strength of the rod body is, based on this, further improvement is that the slot wall of the card slot away from the end of the rod body is an inner slot wall, and the inner slot wall is flush with the outer side surface of the graphite boat piece.

[0015] The utility model discloses still provide a kind of graphite boat, including a kind of anti-abrasion ceramic rod.Such setting, the service life of graphite boat is longer.

[0016] The utility model has the advantages of:

[0017] The utility model discloses a kind of anti-abrasion ceramic rod, by hoop clamping card slot, replace traditional thread structure of rod body, so that rod body is not easy to wear, and disassembly is more fast, the structure after clamping is more stable, not easy to produce slack.

[0018] The utility model discloses a kind of anti-abrasion ceramic rod, by card slot distance rod body end is provided with interval;Hoop is composed of two petals of symmetrical arrangement, petal is provided with semicircular groove, petal splicing clamping is in card slot, so that hoop is limited in card slot, not produce axial sliding, cause slack.

[0019] The utility model discloses a kind of anti-abrasion ceramic rod, by card slot outer slot wall oblique setting, not only increase the contact area of card slot and hoop, improve the stability of clamping structure, and also make the strength of rod body keep stable.

[0020] The utility model discloses a kind of graphite boat, including a kind of anti-abrasion ceramic rod, its service life is longer. DRAWINGS

[0021] The utility model is further illustrated below in combination with the drawings and examples.

[0022] Figure 1 It is the structure schematic diagram of the utility model;

[0023] Figure 2 It is Figure 1 The enlarged view of A in the figure;

[0024] Figure 3 It is the top view of the utility model;

[0025] Figure 4 It is Figure 3 The sectional view of B-B in the figure;

[0026] Figure 5 It is Figure 4 The enlarged view of C in the figure;

[0027] Figure 6 It is the front view of the rod body;

[0028] In the figure: 1, rod body; 2, clamping groove; 3, clamping hoop; 4, graphite boat piece; 5, stud; 6, nut; 21, outer groove wall; 22, groove bottom; 23, inner groove wall. DETAILED DESCRIPTION

[0029] The utility model will be further explained in detail in combination with the drawings. These drawings are all simplified schematic diagrams, just to schematically show the basic structure of the utility model, thus it only shows the structure related to the utility model.

[0030] Example one:

[0031] As Figures 1-4 shown, the utility model discloses a kind of anti-abrasion ceramic rods, including the rod body 1 of ceramic material, the two ends of rod body 1 are provided with annular clamping groove 2, clamping groove 2 is clamped with clamping hoop 3.

[0032] Clamping groove 2 and the end portion of rod body 1 are equipped with spacing, so that clamping hoop 3 is limited in clamping groove 2, axial displacement is not prone to, to improve the structural stability of clamping hoop 3 clamping clamping groove 2. For the convenience of clamping hoop 3 installation, clamping hoop 3 is made of two symmetrical arrangement petal, petal is provided with semicircular arc groove, and is clamped in clamping groove 2 by petal splicing.

[0033] Wherein clamping hoop 3 extends out two symmetrical arrangement studs 5 radially, and nut 6 is threadedly connected on stud 5;Stud 5 is made of two petals arranged symmetrically, and is respectively arranged on petal. So set, clamping hoop 3 splicing fixed connection strength distribution is uniform, not prone to fracture.

[0034] As Figure 6As shown, the clamping groove 2 is a right trapezoid, including an inner groove wall 23, a groove bottom 22 and an outer groove wall 21. The outer groove wall 21 is close to the end of the rod body 1, is arranged in an inclined manner, and the outer groove wall 21 and the groove bottom 22 form an obtuse angle. In this way, not only the contact area of the clamping groove 2 and the clamping hoop 3 is increased, the stability of the clamping structure is improved, but also the strength of the rod body 1 is kept stable. Figure 5 As shown, the inner groove wall 23 is flush with the outer side of the graphite boat piece 4, and the clamping hoop 3 abuts against the outer side of the graphite boat piece 4. In this way, the length of the clamping groove 2 is reduced, and the fracture of the rod body 1 at the clamping groove 2 caused by the too long length of the clamping groove 2 is avoided.

[0035] The depth of the clamping groove 2 is 1 / 6-1 / 5 of the diameter of the rod body 1. In this way, the fracture of the rod body 1 at the clamping groove 2 caused by the too deep length of the clamping groove 2 is avoided, and the fracture of the rod body 1 at the clamping groove 2 caused by the too shallow length of the clamping groove 2 is avoided, and the strength of the clamping structure is too low.

[0036] The advantages of the embodiment are: 1. The traditional threaded structure of the rod body 1 is replaced by the clamping structure, so it is not easy to wear; 2. The clamping hoop 3 clamps the clamping groove 2, and the disassembly and assembly are more convenient; 3. The clamping structure after clamping is more stable and is not easy to loosen.

[0037] Embodiment two:

[0038] The utility model discloses still a kind of graphite boat, including the anti-wear ceramic rod of embodiment one, ceramic rod is arranged in parallel, and graphite boat piece 4 is spaced apart. Graphite boat piece 4 is further provided with spacer ring for sleeving ceramic rod, so that the interval of graphite boat piece 4 remains stable.

[0039] The installation process of the embodiment is: 1, graphite boat piece 4 and spacer ring are sequentially sleeved with ceramic rod, so that the outer side of the outermost graphite boat piece 4 is flush with the inner groove wall 23;2, clamping hoop 3 is clamped in clamping groove 2;3, nut 6 is threadedly connected on stud 5.

[0040] The advantages of the embodiment are: the service life of graphite boat is longer.

[0041] With the above ideal embodiment according to the utility model as inspiration, through the above description, relevant staff can make various changes and modifications without deviating from the technical idea of the utility model. The technical scope of the utility model is not limited to the content in the specification, and the technical scope must be determined according to the scope of claims.

Claims

1. A wear-resistant ceramic rod, comprising a rod body (1) made of ceramic material, characterized in that: The rod (1) has annular grooves (2) at both ends; The slot (2) is fitted with a clamp (3); The inner side of the clamp (3) abuts against the graphite boat sheet (4).

2. The wear-resistant ceramic rod according to claim 1, characterized in that: A gap is provided between the slot (2) and the end of the rod (1); The clamp (3) is composed of two symmetrically arranged petals, each petal having a semi-circular groove, which is spliced ​​and clamped into the groove (2).

3. The wear-resistant ceramic rod according to claim 2, characterized in that: The clamp (3) extends radially out of the stud (5), and the stud (5) is threaded with a nut (6); The stud (5) is composed of two symmetrically arranged lobes, which are respectively disposed on the lobes.

4. The wear-resistant ceramic rod according to claim 3, characterized in that: The studs (5) are arranged in two symmetrical arrangements.

5. The wear-resistant ceramic rod according to claim 1, characterized in that: The groove wall of the slot (2) near the end of the rod (1) is the outer groove wall (21), which is arranged at an angle and forms an obtuse angle with the bottom of the groove (22).

6. The wear-resistant ceramic rod according to claim 5, characterized in that: The depth of the slot (2) is 1 / 6 to 1 / 5 of the diameter of the rod (1).

7. The wear-resistant ceramic rod according to claim 5, characterized in that: The groove wall of the slot (2) away from the end of the rod (1) is the inner groove wall (23), and the inner groove wall (23) is flush with the outer side of the graphite boat (4).

8. A graphite boat, characterized in that: Includes a wear-resistant ceramic rod as described in any one of claims 1-7.

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