CN209959651U

CN209959651U - Three-in-one connecting piece for storage rack

Info

Publication number: CN209959651U
Application number: CN201920412749.5U
Authority: CN
Inventors: 叶锡鸿
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-03-29
Filing date: 2019-03-29
Publication date: 2020-01-17
Anticipated expiration: 2029-03-29

Abstract

The utility model discloses a trinity connecting piece for supporter, including expansion sleeve, eccentric connector and the connecting rod of both ends connection expansion sleeve and eccentric connector respectively, expansion sleeve include the head of anterior segment, the fixed part of back end and the expansion part between head and the fixed part, the expansion part include 4 expansion strip, 4 expansion strip both ends connect head and fixed part respectively, and 4 expansion strip's inboard all be equipped with the sand grip, the outside is equipped with the tooth, and all be equipped with the gap between every expansion strip, through constitute expansion part by 4 expansion strip, except that the installation back frictional force of expansion strip reinforcing expansion sleeve, because expansion sleeve's inboard is equipped with the sand grip, strengthen the pressure to expansion sleeve to the wall body in the installation through the connecting rod of being connected with it, make cement wall body and tooth realize the friction auto-lock, the expansion casing pipe is firmer and more stable, and the installation reliability of the expansion casing pipe is enhanced.

Description

Three-in-one connecting piece for storage rack

Technical Field

The utility model relates to a connecting block especially designs a trinity connecting piece for supporter.

Background

In the installation of house, especially supporter needs the opposition thing frame to carry out the hanging dress on the wall body, consequently, often will use trinity connecting block, if the trinity connecting block of current supporter use places the heavy object time overlength, causes the supporter not hard up easily, because the trinity connecting block structure of using at present fixes inadequately stably in the wall body, does not have fine fixed effect, and drops easily, so make the supporter can only place the light thing, influence the use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a trinity connecting piece for supporter has solved the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a trinity connecting piece for supporter, includes expansion sleeve, eccentric connector and both ends and connects the connecting rod of expansion sleeve and eccentric connector respectively, expansion sleeve include the fixed part of head, back end of anterior segment and the inflation portion between head and the fixed part, inflation portion include 4 inflation strips, 4 inflation strip both ends connect head and fixed part respectively, just 4 inflation strips's inboard all be equipped with the sand grip, the outside is equipped with tooth, and all is equipped with the gap between every inflation strip, the gap in be equipped with the connecting block, the inflation strip of both sides is connected respectively at the connecting block both ends.

Furthermore, the front end surface of the head is provided with air holes.

Furthermore, the convex strip is in a triangular shape protruding towards the center.

Furthermore, the 4 expansion strips comprise two groups of two expansion strips which are opposite mirror images, wherein 7 teeth are arranged in one group, and 1 tooth is arranged in the other group.

Furthermore, an annular flange is arranged at one end, far away from the expansion part, of the fixing part.

Further, the eccentric connector be cylindricly, just eccentric connector top surface be equipped with the screw, the side is equipped with the opening, opening one side be equipped with C type groove.

Further, the connecting rod be equipped with connecting portion, supporting part, buckle portion and buckle head in proper order, connecting portion are equipped with the external screw thread, and just inboard at expansion sleeve through the external screw thread connection, C type groove passes through the buckle and connects on the fixed part, the buckle head is equipped with the cross screw hole on keeping away from the terminal surface of fixed part.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model provides a pair of trinity connecting piece for supporter through constituteing the inflation portion by 4 expansion strip, except that expansion strip reinforcing expansion sleeve's installation back frictional force, because expansion sleeve's inboard is equipped with the sand grip, strengthens the pressure to expansion sleeve to the wall body through the connecting rod rather than being connected in the installation for realize the friction auto-lock between cement wall body and tooth, firm more, reinforcing expansion sleeve's installation reliability.

Drawings

Fig. 1 is a schematic diagram of the explosion structure of the present invention.

Fig. 2 is a schematic structural diagram of the middle expansion casing of the present invention.

Fig. 3 is a schematic sectional structural view of the middle expansion casing of the present invention.

Fig. 4 is a schematic structural diagram of the eccentric connector of the present invention.

Fig. 5 is a schematic structural view of the middle connecting rod of the present invention.

In the figure: the expansion sleeve comprises an expansion sleeve 1, an eccentric connector 2, a connecting rod 3, a head 11, an expansion part 12, a fixing part 13, a gap 14, a connecting block 15, a screw hole 21, an opening 22, a C-shaped groove 23, a connecting part 31, a supporting part 32, a buckling part 33, a buckling head 34, a cross screw hole 35, an expansion strip 100, an air vent 110, an annular flange 130, a convex strip 200 and teeth 300.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in fig. 1 to 5 a trinity connecting piece for supporter, connecting rod 3 including expansion sleeve 1, eccentric connector 2 and both ends connection expansion sleeve 1 and eccentric connector 2 respectively, expansion sleeve 1 include the head 11 of anterior segment, the fixed part 13 of back end and the expansion portion 12 between head 11 and the fixed part 13, expansion portion 12 include 4 expansion strip 100, 4 expansion strip 100 both ends connect head 11 and fixed part 13 respectively, just 4 expansion strip 100 the inboard all be equipped with sand grip 200, the outside is equipped with tooth 300, and all be equipped with gap 14 between every expansion strip 100, gap 14 in be equipped with connecting block 15, the expansion strip 100 of both sides is connected respectively at connecting block 15 both ends, before not using expansion sleeve 1, connecting block 15 is responsible for dragging each expansion strip 100, avoids receiving extrusion deformation, through constitute inflation portion 12 by 4 expansion strip 100, except that the installation back frictional force of expansion strip 100 reinforcing expansion sleeve 1, because expansion sleeve 1's inboard is equipped with sand grip 200, through the pressure of connecting rod 3 reinforcing to expansion sleeve 1 to the wall body rather than being connected with it in the installation for realize the friction auto-lock between cement wall body and tooth 300, firm more, reinforcing expansion sleeve 1's installation reliability.

As a further embodiment of the present invention, the front end face of the head 11 is provided with the air holes 110, the wall needs to be drilled before installation, and the air holes 110 of the head 11 can facilitate the air discharge in the wall holes, so that the expansion sleeve 1 can be inserted into the wall holes more easily.

As a further embodiment of the present invention, the protruding strip 200 is a triangular shape protruding toward the center, and when the connecting rod 3 is connected to the protruding strip 200, the triangular protruding strip 200 is easier to tap, so as to facilitate the connecting rod 3 to fixedly connect the expansion sleeve 1.

As the utility model discloses further embodiment, 4 expansion strip 100 include two expansion strip 100 of two sets of relative mirror images, wherein a set of tooth 300 is equipped with 7, another group tooth 300 is equipped with 1, because 4 expansion strip 100 inboards all are equipped with sand grip 200, reduce two expansion strip 100 tooth 300 quantity, the expansion sleeve 1 at the wall body has been installed in the connection of the connecting rod 3 of being convenient for, avoid appearing the tension condition.

As a further embodiment of the present invention, the fixing portion 13 on keep away from the one end of inflation portion and be equipped with annular flange 130, make the expansion sleeve 1 block in the wall body downthehole through annular flange 130 in the installation, avoid crossing income.

As a further embodiment of the present invention, the eccentric connector 2 is cylindrical, the top surface of the eccentric connector 2 is provided with a screw hole 21, the screw hole 21 is a combination of a straight screw hole, a cross screw hole and a hexagonal screw hole, which makes it suitable for more screwdrivers, and is convenient for installation, the side surface of the eccentric connector 2 is provided with an opening 22, one side of the opening 22 is provided with a C-shaped groove 23, the connecting rod 3 is sequentially provided with a connecting portion 31, a supporting portion 32, a buckling portion 33 and a buckling head 34, the connecting portion 31 is provided with an external thread and is connected to the inner side of the expansion sleeve 1 through the external thread, the C-shaped groove 23 is connected to the fixing portion 13 through the buckle, a cross screw hole 35 is provided on one end surface of the buckling head 34 away from the fixing portion 13, the connecting rod 3 is installed on the expansion sleeve 1 by twisting the cross screw hole 35 on, after the shelf is installed, the fastening part 33 is located at the opening 22 on the eccentric connector 2, the fixing part 13 can be fastened by the C-shaped groove 23 by twisting the screw hole 21 on the top surface of the eccentric connector 2, and the fastening head 34 can ensure that the connecting rod 3 cannot be moved out of the eccentric connector 2.

The utility model discloses a theory of operation: referring to fig. 1, a position in the drawing is a wall body, an expansion sleeve 1 is driven into a hole after the wall body is drilled, then a connecting rod 3 is twisted into the expansion sleeve 1, a position in the drawing is a storage rack plate, an eccentric connector 2 is placed in a groove which is formed in one side surface of the storage rack plate, a long groove sleeve of a storage rack which is grooved is connected into the connecting rod 3, and the eccentric connector 2 is twisted on the other side surface of the storage rack plate to clamp the connecting rod 3, so that the fixing is realized.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a trinity connecting piece for supporter, includes expansion sleeve (1), eccentric connector (2) and connecting rod (3) that expansion sleeve (1) and eccentric connector (2) were connected respectively at both ends, its characterized in that: expansion sleeve (1) fixed part (13) and head (11) and the expansion portion (12) between fixed part (13) of head (11), the back end of anterior segment that include, expansion portion (12) include 4 expansion strip (100), 4 expansion strip (100) both ends connect head (11) and fixed part (13) respectively, just 4 expansion strip (100) inboard all be equipped with sand grip (200), the outside is equipped with tooth (300), and all be equipped with gap (14) between every expansion strip (100), gap (14) in be equipped with connecting block (15), the expansion strip (100) of both sides are connected respectively to connecting block (15) both ends.

2. The three-in-one connector for a shelf according to claim 1, wherein: the front end surface of the head part (11) is provided with an air hole (110).

3. The three-in-one connector for a shelf according to claim 1, wherein: the convex strip (200) is in a triangular shape protruding towards the center.

4. The three-in-one connector for a shelf according to claim 1, wherein: the 4 expansion strips (100) comprise two groups of two expansion strips (100) which are opposite mirror images, wherein 7 teeth (300) in one group are arranged, and 1 tooth (300) in the other group is arranged.

5. The three-in-one connector for a shelf according to claim 1, wherein: and an annular flange (130) is arranged at one end of the fixing part (13) far away from the expansion part.

6. The three-in-one connector for a shelf according to claim 1, wherein: eccentric connector (2) be cylindricly, just eccentric connector (2) top surface be equipped with screw (21), the side is equipped with opening (22), opening (22) one side be equipped with C type groove (23).

7. The three-in-one connector for a shelf according to claim 6, wherein: connecting rod (3) be equipped with connecting portion (31), supporting part (32), buckle portion (33) and buckle head (34) in proper order, connecting portion (31) are equipped with the external screw thread, and just are inboard at expansion sleeve (1) through the external screw thread connection, C type groove (23) are connected on fixed part (13) through the buckle, buckle head (34) are kept away from and are equipped with cross screw hole (35) on the terminal surface of fixed part (13).