阅读说明：本技术 一种卡接牢固且精度高的组合式卡扣结构 (Firm and high combination formula buckle structure of precision of joint ) 是由 宋传军 于 2021-06-18 设计创作，主要内容包括：本发明公开了一种卡接牢固且精度高的组合式卡扣结构,包括：壳体,壳体的端板上设置有平行布置的两个卡扣板,卡扣板的顶部设置有截面呈三角形的卡接部,卡扣板通过卡接部扣合在底座的母槽内,壳体内部还设置有隔板,隔板上设置有顶紧件,顶紧件的结构呈“T”形,顶紧件包括连接杆和顶杆,连接杆穿设于隔板,且连接杆上套设有弹簧,顶杆垂直于连接杆,且顶杆的端部抵在卡扣板的背面。本发明相较于现有技术,通过壳体内部设置的顶紧件对卡扣板的位置进行限制,保证卡扣板和母槽扣合效果,避免卡扣板长时间使用后产生疲劳导致的扣合不紧密。(The invention discloses a combined buckle structure with firm clamping and high precision, which comprises: the casing, be provided with two buckle boards of parallel arrangement on the end plate of casing, the top of buckle board is provided with the joint portion that the cross-section is triangle-shaped, the buckle board passes through joint portion lock at the female inslot of base, the inside baffle that still is provided with of casing, be provided with a tie-down piece on the baffle, the structure of a tie-down piece is "T" shape, a tie-down piece includes connecting rod and ejector pin, the baffle is worn to locate by the connecting rod, and the cover is equipped with the spring on the connecting rod, ejector pin perpendicular to connecting rod, and the tip of ejector pin supports the back at the buckle board. Compared with the prior art, the buckling plate is limited in position by the tightening piece arranged inside the shell, so that the buckling effect of the buckling plate and the female groove is ensured, and untight buckling caused by fatigue of the buckling plate after long-time use is avoided.)

1. A combined buckle structure with firm clamping and high precision is characterized by comprising a shell (1), two buckle plates (2) which are arranged in parallel are arranged on an end plate (11) of the shell (1), the top of the buckle plate (2) is provided with a clamping part (21) with a triangular section, the buckling plate (2) is buckled in the female groove of the base through the buckling part (21), a clapboard (12) is arranged in the shell (1), a jacking piece (3) is arranged on the clapboard (12), the structure of the top member (3) is T-shaped, the top member (3) comprises a connecting rod (31) and a top rod (32), the connecting rod (31) is arranged in the clapboard (12) in a penetrating way, and a spring (33) is sleeved on the connecting rod (31), the ejector rod (32) is vertical to the connecting rod (31), and the end part of the ejector rod (32) is abutted against the back surface of the buckling plate (2).

2. A combined snap structure with firm and high precision according to claim 1, characterized in that two snap plates (2) are symmetrically arranged on both sides of the connecting rod (31).

3. A combined buckle structure with firm and high precision in clamping according to claim 2, characterized in that the guide posts (4) are symmetrically arranged on both sides of the buckle plate (2).

4. The combined type buckle structure with firm clamping and high precision according to claim 3, characterized in that an arc-shaped groove corresponding to the ejector rod (32) in position is arranged on the back surface of the end plate (11), and the ejector rod (32) is clamped in the arc-shaped groove.

5. A combined buckle structure with firm and high precision snap-in according to claim 3, wherein the connecting rod (31) is detachably mounted on the top bar (32).

6. A combined buckle structure with firm and high precision in clamping according to claim 5 is characterized in that the connecting rod (31) is connected to the top rod (32) through threads.

7. The combined type buckle structure with firm clamping and high precision according to claim 3, wherein a groove (211) is arranged in the center of the clamping part (21).

8. A combined buckle structure with firm clamping and high precision according to claim 3, characterized in that the buckle plate (2) is hinged on the end plate (11), and the buckle plate (2) is rotatably installed in the installation groove (111) of the end plate (11) through the rotating shafts (22) at two sides of the bottom.

9. The combined type buckle structure with firm clamping and high precision according to claim 8, wherein a guide groove (112) corresponding to the guide post (4) in position is arranged on the end plate (11), the guide groove (112) is arc-shaped, and the guide post (4) is slidably connected in the guide groove (112).

Technical Field

The invention belongs to the field of shell buckle installation, and particularly relates to a combined buckle structure with firm clamping and high precision.

Background

The buckle connection is a common connection mode during product assembly, and specifically relates to a connection mode which is realized by buckling a buckle plate on one part in a female groove on another part and utilizing the elastic deformation of the buckle plate.

On the casing of current injection moulding product, the buckle board warp easily, and the tolerance is bigger than normal in the assembling process that leads to product casing and base, and the buckle integrated circuit board does not advance the female inslot that corresponds, influences the packaging efficiency and the assembly effect of product.

Disclosure of Invention

The invention aims to: the utility model provides a combination formula buckle structure that joint is firm and the precision is high, the tight piece in top through the inside setting of casing limits the position of buckle board, guarantees buckle board and female groove lock effect, and the lock of avoiding the buckle board to produce tired the leading to after long-time the use is inseparable.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a firm and high combination formula buckle structure of precision of joint, which comprises a housin, be provided with two buckle plates of parallel arrangement on the end plate of casing, the top of buckle plate is provided with the joint portion that the cross-section is triangle-shaped, the buckle plate passes through joint portion lock at the female inslot of base, the inside baffle that still is provided with of casing, be provided with the ejector pin on the baffle, the structure of ejector pin is "T" shape, the ejector pin includes connecting rod and ejector pin, the connecting rod is worn to locate the baffle, and the cover is equipped with the spring on the connecting rod, ejector pin perpendicular to connecting rod, and the tip of ejector pin supports the back at the buckle plate.

As a further description of the above technical solution:

the two clamping plates are symmetrically arranged on two sides of the connecting rod.

As a further description of the above technical solution:

the guide posts are symmetrically arranged on two sides of the buckling plate.

As a further description of the above technical solution:

the back of end plate is provided with the arc wall of position correspondence ejector pin, and the ejector pin joint is in the arc wall.

As a further description of the above technical solution:

the connecting rod is detachably arranged on the ejector rod.

As a further description of the above technical solution:

the connecting rod is connected to the ejector rod through threads.

As a further description of the above technical solution:

the center of the clamping part is provided with a groove.

As a further description of the above technical solution:

the buckle plate is hinged on the end plate and is rotatably arranged in the mounting groove on the end plate through rotating shafts on two sides of the bottom.

As a further description of the above technical solution:

the end plate is provided with a guide groove corresponding to the guide post in position, the guide groove is arc-shaped, and the guide post is connected in the guide groove in a sliding manner.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. when the shell and the base are buckled, the buckling plate is buckled in the female groove of the base through the buckling part. When the clamping plate is buckled, the clamping part is firstly extruded and is contained in the end plate, and meanwhile, the clamping plate extrudes the jacking piece, so that the spring is compressed; after female groove is aimed at to joint portion, the buckle board return, the spring extends simultaneously, promotes the tight lock of joint portion inside female groove through the ejector pin, guarantees buckle board and female groove lock effect, avoids the buckle board to produce the lock inseparable that tired leads to after using for a long time.

2. In the invention, in order to further solve the problem that the buckling of the buckling plate is not tight due to fatigue after long-term use, the buckling plate and the end plate are designed in a separated mode. Compared with the buckling plate which needs to be returned through self deformation, the buckling plate hinged on the end plate is completely controlled by the jacking piece to control the buckling effect, the spring can be flexibly replaced (the buckling effect is ensured) when the buckling is not tight, and the buckling plate limits the stroke through the matching of the guide column and the guide groove. The buckle plate of disconnect-type design is convenient for change, guarantees buckle plate and female groove lock effect, avoids buckle plate to produce the lock inseparable that tired leads to after long-time the use.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic view of a main view angle structure of a housing in a combined buckle structure with firm clamping and high precision.

Fig. 2 is a cross-sectional view of a housing in a combined type buckle structure with firm and high-precision clamping.

Fig. 3 is a schematic diagram of a split of a housing in a combined type buckle structure with firm clamping and high precision.

Fig. 4 is a schematic diagram of the position change of the buckle plate in the combined buckle structure with firm and high precision.

Fig. 5 is a schematic diagram of a disassembly of a top member in a combined buckle structure with firm and high-precision clamping.

Illustration of the drawings:

1. a housing; 11. an end plate; 111. mounting grooves; 112. a guide groove; 12. a partition plate; 2. a buckle plate; 21. a clamping part; 211. a groove; 22. a rotating shaft; 3. a top tightening member; 31. a connecting rod; 32. a top rod; 33. a spring; 4. and a guide post.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: the utility model provides a firm and high combination formula buckle structure of precision of joint, which comprises a housin 1, be provided with two buckle plate 2 of parallel arrangement on the end plate 11 of casing 1, buckle plate 2's top is provided with joint portion 21 that the cross-section is triangle-shaped, buckle plate 2 passes through joint portion 21 lock at the female inslot of base, 1 inside baffle 12 that still is provided with of casing, be provided with on the baffle 12 and push up tight piece 3, the structure of pushing up tight piece 3 is "T" shape, it includes connecting rod 31 and ejector pin 32 to push up tight piece 3, connecting rod 31 wears to locate baffle 12, and the cover is equipped with spring 33 on connecting rod 31, ejector pin 32 perpendicular to connecting rod 31, and the tip of ejector pin 32 supports the back at buckle plate 2.

Two buckle plate 2 symmetrical arrangement are in connecting rod 31 both sides, and the supporting effect of tight piece 3 to two buckle plate 2 in top is unanimous.

The guide posts 4 symmetrically arranged are arranged on two sides of the buckling plate 2, so that the buckling plate 2 is prevented from shaking left and right, and the service life of the buckling plate 2 is prolonged.

The back of end plate 11 is provided with the arc wall that the position corresponds ejector pin 32, and ejector pin 32 joint is in the arc wall for buckle plate 2 is pressed close to more to ejector pin 32, protects ejector pin 32 simultaneously, avoids ejector pin 32 to damage.

The connecting rod 31 is detachably arranged on the top rod 32, and the connecting rod 31 is connected to the top rod 32 through threads. Be convenient for install top tight piece 3, be convenient for simultaneously change spring 33, guarantee the tight effect in top to buckle 2.

The central authorities of joint portion 21 are provided with recess 211, use the body of rod to press joint portion 21 and make joint portion 21 withdraw from female groove time, and the recess 211 is convenient for fix a position the body of rod, the operation of being convenient for.

Buckle plate 2 articulates on end plate 11, and buckle plate 2 is through the rotatable mounting groove 111 of installing on end plate 11 of bottom both sides axis of rotation 22, and buckle plate 2 and the design of end plate 11 disconnect-type avoid buckle plate to produce the lock that tired leads to after using for a long time inseparable, and it is convenient to change when buckle plate 2 damages simultaneously.

The end plate 11 is provided with a guide groove 112 corresponding to the guide post 4 in position, the guide groove 112 is arc-shaped, and the guide post 4 is slidably connected in the guide groove 112 to limit the excessive forward rotation of the snap-in plate 2.

The working principle is as follows: when casing and base lock, the buckle board passes through joint portion lock at the female inslot of base. When the clamping plate is buckled, the clamping part is firstly extruded and is contained in the end plate, and meanwhile, the clamping plate extrudes the jacking piece, so that the spring is compressed; after female groove is aimed at to joint portion, the buckle board return, the spring extends simultaneously, promotes the tight lock of joint portion inside female groove through the ejector pin, guarantees buckle board and female groove lock effect, avoids the buckle board to produce the lock inseparable that tired leads to after using for a long time. In order to further solve the problem that the buckling of the buckling plate is not tight due to fatigue after the buckling plate is used for a long time, the buckling plate and the end plate are designed in a separated mode. Compared with the buckling plate which needs to be returned through self deformation, the buckling plate hinged on the end plate is completely controlled by the jacking piece to control the buckling effect, the spring can be flexibly replaced (the buckling effect is ensured) when the buckling is not tight, and the buckling plate limits the stroke through the matching of the guide column and the guide groove. The buckle plate of disconnect-type design is convenient for change, guarantees buckle plate and female groove lock effect, avoids buckle plate to produce the lock inseparable that tired leads to after long-time the use.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.