阅读说明：本技术 一种固定连接用膨胀套 (One kind, which is fixedly connected, uses expansion sleeve ) 是由 不公告发明人 于 2019-09-25 设计创作，主要内容包括：本发明一种固定连接用膨胀套公开了一种通过防护罩进行钻孔覆盖,配合扩展套内外设置的双螺纹结构,结合现有的螺栓进行紧固扩展固定连接的膨胀套,其特征在于防护罩上设置有旋紧槽,所述防护罩为变径管折弯而成,所述变径管大端外翻形成双层结构,所述外层为球面,所述变径管的大端内折形成压环,所述压环内边缘低于外边缘,所述变径管的另一端内壁置有安装卡环,所述安装卡环为两个,所述旋紧槽贯穿防护罩,且径向贯穿双层结构,所述旋紧槽组合形成十字槽,扩展头的一端置有固定环,所述固定环外侧置有环状凸起,所述环状凸起嵌置于安装卡环之间,多个弹性连接板等角度置于固定环端面上,多个所述弹性连接板的延长线交点位于固定环轴线上。(One kind of the present invention, which is fixedly connected, to be disclosed one kind with expansion sleeve and by shield carries out drilling covering, the double thread structure that cooperation extension set is arranged inside and outside, the expansion sleeve that fastening extension is fixedly connected is carried out in conjunction with existing bolt, slot is screwed it is characterized in that being provided on shield, the shield is that reducer pipe bending forms, the reducer pipe big end turns up to form double-layer structure, the outer layer is spherical surface, the big end infolding of the reducer pipe forms pressure ring, the pressure ring inward flange is lower than outer edge, the other end inner wall of the reducer pipe is equipped with installation snap ring, the installation snap ring is two, the slot that screws is through shield, and extend radially through double-layer structure, the slot that screws combines to form cross recess, prolate-headed one end is equipped with fixed ring, annular projection is equipped on the outside of the fixed ring, the annular projection is between installation snap ring, it is multiple Elastic connection plate is angularly placed on fixed ring end face, and the extending line intersection point of multiple elastic connection plates is located on fixed ring axis.)

1. one kind is fixedly connected with expansion sleeve, screw slot it is characterized in that: being provided on shield, shield be reducer pipe bending and At the other end inner wall of reducer pipe is equipped with installation snap ring, and installation snap ring is two, screws slot through shield, and extend radially through Double-layer structure screws slot and combines to form cross recess, and prolate-headed one end is equipped with fixed ring, is equipped with annular projection on the outside of fixed ring, Multiple elastic connection plates are angularly placed on fixed ring end face, and the extending line intersection point of multiple elastic connection plates is located at fixed ring axis On, support plate correspondence is placed on elastic connection plate, and screw thread is provided on circular conical surface, is equipped with expansion board, multiple extensions on the outside of support plate Board group closes to form rotary table, and screw thread is provided on rotary table, and expansion board extends along on the outside of support plate.

2. one kind according to claim 1 is fixedly connected with expansion sleeve, it is characterised in that the reducer pipe big end is turned up shape At double-layer structure, the outer layer is spherical surface.

3. one kind according to claim 2 is fixedly connected with expansion sleeve, it is characterised in that the big end infolding of the reducer pipe Form pressure ring.

4. one kind according to claim 3 is fixedly connected with expansion sleeve, it is characterised in that the pressure ring inward flange is lower than outer Edge.

5. one kind according to claim 1 is fixedly connected with expansion sleeve, it is characterised in that the annular projection is embedded at peace It is loaded between ring, is coupled ring for extension header and shield and forms connection entirety, be easy to use.

6. one kind according to claim 1 is fixedly connected with expansion sleeve, it is characterised in that group on the inside of multiple support plates Conjunction forms circular conical surface, can be waited between different bolts when in use and form expansion fit, carries out extruding extension to support plate, and Support is formed between the wall of a borehole.

7. one kind according to claim 1 is fixedly connected with expansion sleeve, it is characterised in that the rotary table taper and support plate It is identical to combine the conical taper formed, it is identical that the rotary table taper combines the conical taper to be formed with support plate, can be formed in The interior outside of support plate forms synchronous expansion, it is ensured that synchronism.

8. one kind according to claim 1 is fixedly connected with expansion sleeve, it is characterised in that the expansion board section is arc Structure can be fitted closely with the wall of a borehole.

9. one kind according to claim 1 is fixedly connected with expansion sleeve, it is characterised in that in use, the bolt can be adopted It is replaced with helicitic textures such as studs.

10. one kind according to claim 1 is fixedly connected with expansion sleeve, it is characterised in that in use, first on stationary plane Drilling, boring aperture are less than shield other end outer diameter 2-5mm, rack are fixed on position to be fixed.

Technical field

One kind of the present invention is fixedly connected with expansion sleeve, is related to one kind when being connected and fixed, for bore inner extension connection The expansion sleeve used belongs to Hardware fitting field.In particular to a kind of to carry out drilling covering by shield, cooperation extends in set The double thread structure of outer setting carries out the expansion sleeve that fastening extension is fixedly connected in conjunction with existing bolt.

Background technique

Currently, in order to increase the stability of bracket, being incited somebody to action by screw in frame bottom when carrying out bracket installation fixation It is fixed, and when being fixed, preparatory installation site drilling is drawn then by the corresponding installation of bracket by expansion bolt It fastens, but after fixation, expansion bolt is extended expansion by the elongation of screw rod, therefore screw rod is stretched since rotation is pulled Out apart from too long, form protrusion on ground, bring security risk and inconvenience, also some when metope carries out installation cantilever, due to Drilling causes aperture damaged, and after installation, aperture leakage influences beauty, and when oral area collapse along when, gasket on expansion bolt It compresses effect to be deteriorated, aiming at the problem that above-mentioned bring, is handled, avoid bringing unnecessary trouble, and existing swollen Swollen bolt is all integral structure, and different bolts can not be cooperated to be attached fixation.

Publication number CN208885728U discloses a kind of expansion bolt that function is filled up with gap, including the bolt body of rod, Bolt head, nut, expansion pipe sleeve and tapered squeezing head, the bolt head are connected to the left-hand end of the bolt body of rod, the spiral shell The surface of tightening latch body is surrounded by external thread structure, and the nut surround and is socketed on the bolt body of rod and is close to the spiral shell Bolt head, the expansion pipe sleeve are socketed in the bolt body of rod surrounding, and the right end of the expansion pipe sleeve connects several in parallel and extends out Expansion plate, it is described to extend out the protrusion connection on a gap, the inner side end for extending out expansion plate between expansion plate Cutting plate, is socketed with spring washer and plain washer between the nut and the expansion pipe sleeve, the tapered squeezing head is connected to The right end of the bolt body of rod, the device still remain when in use it is external stretch out length, can not reach to hole month into Row compresses rest.

Summary of the invention

In order to improve above situation, one kind of the present invention, which is fixedly connected, to be provided one kind with expansion sleeve and is bored by shield Hole covering, the double thread structure that is arranged inside and outside of cooperation extension set, in conjunction with existing bolt carry out fastening extension be fixedly connected it is swollen Expansion set.

One kind of the present invention, which is fixedly connected, is achieved in that one kind of the present invention is fixedly connected with expansion sleeve by preventing with expansion sleeve Shield, extension header screw slot, installation snap ring, pressure ring, fixed ring, elastic connection plate and support plate composition, are provided on shield Slot is screwed, the shield is that reducer pipe bending forms, and the reducer pipe big end turns up to form double-layer structure, and the outer layer is ball Face, the big end infolding of the reducer pipe form pressure ring, and the pressure ring inward flange is lower than outer edge, in the other end of the reducer pipe Wall is equipped with installation snap ring, and the installation snap ring is two, and the slot that screws extends radially through double-layer structure through shield, institute It states and screws slot and combine to form cross recess, prolate-headed one end is equipped with fixed ring, is equipped with annular projection on the outside of the fixed ring, described Annular projection is between installation snap ring, and multiple elastic connection plates are angularly placed on fixed ring end face, multiple elasticity The extending line intersection point of connecting plate is located on fixed ring axis, and support plate correspondence is placed on elastic connection plate, on the inside of multiple support plates Combination forms circular conical surface, and screw thread is provided on the circular conical surface, is equipped with expansion board on the outside of support plate, multiple expansion board combine to form circle Platform, is provided with screw thread on the rotary table, and it is identical that the rotary table taper combines the conical taper to be formed with support plate, the expansion board edge Extend on the outside of support plate, the expansion board section is arcuate structure.

Beneficial effect.

One, individual jacket structure can cooperate existing different bolt to be anchored.

Two, it compresses edge and is located at drilling outside, avoid aperture and collapse region, it is good to compress stability.

Three, shield avoids upright extended structure, avoids security risk.

Four, structure is simple, and double thread structure stability in use is good.

Detailed description of the invention

A kind of three-dimensional structure diagram being fixedly connected with expansion sleeve of Fig. 1 present invention.

A kind of three-dimensional structure diagram being fixedly connected with expansion sleeve of Fig. 2 present invention, only shows internal structural representation.

Fig. 3 one kind of the present invention, which is fixedly connected, only shows internal knot with the prolate-headed three-dimensional structure diagram of expansion sleeve Structure.

Fig. 4 one kind of the present invention is fixedly connected with expansion sleeve structural schematic diagram.

A kind of structural schematic diagram being fixedly connected when being used with expansion sleeve of Fig. 5 present invention.

In attached drawing

Wherein part are as follows: shield (1), extension header (2) screw slot (3), install snap ring (4), pressure ring (5), fixed ring (6), bullet Property connecting plate (7), support plate (8), bolt (9), bracket base (10), rock mass (11), drill (12).

Specific embodiment:

One kind of the present invention, which is fixedly connected, is achieved in that one kind of the present invention is fixedly connected with expansion sleeve by shield with expansion sleeve (1), extension header (2), screw slot (3), installation snap ring (4), pressure ring (5), fixed ring (6), elastic connection plate (7) and support plate (8) it forms, is provided with and screws slot (3) on shield (1), the shield (1) is that reducer pipe bending forms, and the reducer pipe is big End turns up to form double-layer structure, and the outer layer is spherical surface, and the big end infolding of the reducer pipe forms pressure ring (5), the pressure ring (5) Inward flange is lower than outer edge, and the other end inner wall of the reducer pipe is equipped with installation snap ring (4), and the installation snap ring (4) is two, Described screw slot (3) extend radially through double-layer structure through shield (1), described to screw slot (3) combination and form cross recess, expand One end of exhibition head (2) is equipped with fixed ring (6), annular projection is equipped on the outside of the fixed ring (6), the annular projection is embedded at peace It is loaded between ring (4), multiple elastic connection plates (7) are angularly placed on fixed ring (6) end face, multiple elastic connection plates (7) extending line intersection point is located on fixed ring (6) axis, and support plate (8) correspondence is placed on elastic connection plate (7), multiple supports Combination forms circular conical surface on the inside of plate (8), and screw thread is provided on the circular conical surface, is equipped with expansion board, multiple extensions on the outside of support plate (8) Board group closes to form rotary table, and screw thread, the conical taper phase that the rotary table taper and support plate (8) combination are formed are provided on the rotary table Together, the expansion board extends along on the outside of support plate (8), and the expansion board section is arcuate structure.

In use, first drilling (12) on stationary plane, drilling (12) aperture is less than shield (1) other end outer diameter 2-5mm, Rack is fixed on position to be fixed, mounting hole and drilling (12) is corresponding, extension header (2) is then sequentially passed through into mounting hole With drilling (12), screwed in slot (3) by corresponding be fastened on of screwdriver, rotation by extension header (2) along drilling (12) gradually to Under, the screw thread on the outside of extension header (2) is gradually contacted with drilling (12) wall, and screwed in, when screw-in to pressure ring (5) When with rack fitting, rack is compressed, and then installation is fixed in rack, then bolt (9) are rotated, by it Be correspondingly placed on the inside of fixed ring (6) so that conical surface contact that combination is formed on the inside of itself and multiple support plates (8), then into Row rotation, squeezes support plate (8) by the rotation of bolt (9) outward, band dynamic elasticity two and plate benging, meanwhile, support Expansion board on the outside of plate (8) further deflects, and drilling (12) wall fitting compresses, by the screw-in situation for adjusting bolt (9) Change the expansion state of extension header (2), after bolt (9) screws in, end in the inside of shield (1), by shield (1) into Row package protection, achievees the purpose that be attached drilling (12) fixed.

The shield (1) is that reducer pipe bending forms, and using integral structure, increases integral strength, is capable of forming and extends out Overlay structure improves protection and compresses range；

The reducer pipe big end turns up to form double-layer structure, can generate different subregions, inside is for accommodating bolt (9), outside Layer is protected for rest；

The outer layer is spherical surface, forms round and smooth appearance protective layer, avoids scraping external drawing, reduces the harm of existing prominent structure Risk；

The big end infolding of the reducer pipe forms pressure ring (5), can be formed and be compressed in outer ring, avoids drilling (12) aperture subsidence area Domain, and compression range can be increased, improve stability；

Pressure ring (5) inward flange is lower than outer edge, is capable of forming difference in height when compressing, and is carried out by the deformation of pressure ring (5) It fits closely, prevents the loosening that falls off；

The annular projection is coupled ring for extension header (2) and shield (1) and forms company between installation snap ring (4) Entirety is connect, is easy to use；

Combination forms circular conical surface on the inside of the multiple support plate (8), can wait when in use formed between different bolts (9) it is swollen Swollen cooperation carries out support plate (8) to form support between extruding extension, and drilling (12) wall；

A expansion board combines to form rotary table, and screw thread is provided on the rotary table, increases the fitting between drilling (12) wall, shape At Embedded connection, the sliding that falls off is avoided；

The rotary table taper is identical with the conical taper that support plate (8) combination is formed, and can be formed in the interior outside of support plate (8) Form synchronous expansion, it is ensured that synchronism；

The expansion board section is arcuate structure, can be fitted closely with drilling (12) wall；

In use, the bolt (9) can be using the replacement of the helicitic textures such as stud；

Above-described embodiment is presently preferred embodiments of the present invention, is not intended to limit the invention the range of implementation.Any this field Those of ordinary skill is not departing from invention scope of the invention, improves when can make a little, i.e., all to be done according to the present invention Same improvement, should be the scope of the present invention and covered.