CN215720089U

CN215720089U - Bridge construction notch cuttype T type bolt

Info

Publication number: CN215720089U
Application number: CN202121891136.8U
Authority: CN
Inventors: 时燕军
Original assignee: Haiyan Julong Standard Parts Co ltd
Current assignee: Haiyan Julong Standard Parts Co ltd
Priority date: 2021-08-12
Filing date: 2021-08-12
Publication date: 2022-02-01
Anticipated expiration: 2031-08-12

Abstract

The utility model discloses a stepped T-shaped bolt with a bridge structure, which comprises a T-shaped screw head and a screw rod vertically arranged at one end of the T-shaped screw head, wherein a plurality of stepped sections with diameters gradually reduced from the screw rod end to the T-shaped screw head end are arranged between the bottom of the screw rod and the T-shaped screw head, and the side wall of each stepped section is provided with an elastic sheet which can be matched with a screw hole to fix the bolt.

Description

Bridge construction notch cuttype T type bolt

[ technical field ] A method for producing a semiconductor device

The utility model relates to the technical field of bolts, in particular to the technical field of T-shaped bolts.

[ background of the utility model ]

The T-shaped bolt is an indispensable connecting piece in bridge installation, can be directly placed into an aluminum profile groove, can be automatically positioned and locked in the installation process, is often used in cooperation with a flange nut, is a standard matching connecting piece in the process of installing corner fittings, and can be selectively used according to the width of the profile groove and different series of profiles. In addition, during assembly and connection, the situation that the size of the T-shaped bolt is not matched with that of the screw hole sometimes occurs, and the T-shaped bolt with different sizes needs to be replaced, so that the nonstandard T-shaped bolt needs to be redesigned and produced, and the processing period of the whole equipment is slowed down. The size range of the customized T-shaped bolt is often not wide enough, only a few bolts can be selected during specific assembly and connection, and the requirement of a production field for diversification of bolt requirements is difficult to meet. And the existing T-shaped bolt is inserted into the screw hole and is not fixed with the nut, so that the bolt is poor in stability and easy to incline and fall off.

[ Utility model ] content

The utility model aims to solve the problems in the prior art and provides a stepped T-shaped bolt with a bridge structure, which can be matched with screw holes of different types and is more stably connected with the screw holes.

In order to achieve the purpose, the utility model provides a stepped T-shaped bolt of a bridge structure, which comprises a T-shaped bolt head and a screw rod vertically arranged at one end of the T-shaped bolt head, wherein a plurality of stepped sections with diameters gradually reduced from the end of the screw rod to the end of the T-shaped bolt head are arranged between the bottom of the screw rod and the T-shaped bolt head, and the side wall of each stepped section is provided with an elastic sheet which can be matched with a screw hole to fix the bolt.

Preferably, the side wall of the step section is vertically provided with a spring sheet groove matched with the spring sheet, and the spring sheet is detachably arranged in the spring sheet groove.

Preferably, the upper end and the lower end of the elastic sheet groove are respectively provided with an elastic sheet groove clamping groove which can be matched with the elastic sheet, and the two ends of the elastic sheet are respectively provided with an elastic sheet clamping head which can be in interference fit with the elastic sheet groove clamping grooves.

Preferably, one end of the elastic sheet close to the screw is provided with an elastic sheet bulge which is convexly arranged in the direction far away from the axis of the screw.

Preferably, the elastic piece is provided with an elastic piece inclined segment which is gradually inclined towards the center side of the stepped section from the protrusion of the elastic piece to the end close to the T-shaped screw head.

Preferably, T type spiral shell is overhead to be close to the one end of screw rod can be dismantled and is equipped with the bed hedgehopping piece, the bed hedgehopping piece has multiple thickness, and the bed hedgehopping piece of every kind of thickness with the last ladder face parallel and level of different ladder sections respectively when T type spiral shell is overhead to be connected.

Preferably, the upper end face of the T-shaped screw head and the block-up block are respectively provided with a clamping sliding groove and a clamping sliding rail which can be matched with each other.

The bridge structure stepped T-shaped bolt has the beneficial effects that: according to the utility model, the T-shaped screw head and the screw rod are provided with the plurality of stepped sections with different diameters, so that the T-shaped screw head can be matched with screw holes of various types, the proper stepped section is selected to be clamped into the screw hole according to the different diameters of the screw hole, and the elastic sheet is arranged on the stepped section, so that the T-shaped screw head can be matched with the screw hole to fix the bolt, and the bolt is prevented from loosening and falling off when the nut is not screwed in.

The features and advantages of the present invention will be described in detail by embodiments in conjunction with the accompanying drawings.

[ description of the drawings ]

Fig. 1 is a schematic front view structure diagram of a stepped T-shaped bolt of a bridge structure of the utility model.

FIG. 2 is a schematic front sectional view of a stepped T-bolt of a bridge structure according to the present invention.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

FIG. 4 is a schematic side view of the stepped T-bolt of a bridge structure according to the present invention

In the figure: the clamping device comprises a 1-T-shaped screw head, a 2-screw rod, a 3-step section, a 4-elastic sheet, a 5-heightening block, a 11-clamping sliding groove, a 12-clamping sliding rail, a 31-elastic sheet groove, a 311-elastic sheet groove clamping groove, a 41-elastic sheet clamping head, a 42-elastic sheet bulge and a 43-elastic sheet inclined segment.

[ detailed description ] embodiments

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be understood, however, that the description herein of specific embodiments is only intended to illustrate the utility model and not to limit the scope of the utility model. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

In the description of the present invention, it should be noted that the terms "center", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or the orientations or positional relationships in which the products of the present invention are conventionally placed when used, and are merely used for convenience of describing and simplifying the description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise. The meaning of "a number" is one or more unless specifically limited otherwise.

Example 1:

referring to fig. 1, 2, 3 and 4, the stepped T-shaped bolt for a bridge structure of the utility model includes a T-shaped bolt head 1 and a screw rod 2 vertically arranged at one end of the T-shaped bolt head 1, wherein a plurality of stepped sections 3 with diameters gradually reduced from the end of the screw rod 2 to the end of the T-shaped bolt head 1 are arranged between the bottom of the screw rod 2 and the T-shaped bolt head 1, and the side wall of each stepped section 3 is provided with a spring plate 4 capable of being matched with a screw hole to fix the bolt. This embodiment can cooperate with the screw of multiple model through the ladder section 3 that sets up a plurality of different diameters between 1 with T type spiral shell head and the screw rod 2, and the suitable ladder section 3 card of diameter through the screw is gone into the screw, through set up shell fragment 4 on ladder section 3, can with the screw cooperation with the bolt fastening, avoid the bolt not hard up when the nut is not twisted to drop.

Referring to fig. 1, 2, 3 and 4, a spring plate groove 31 capable of being matched with the spring plate 4 is vertically arranged on the side wall of the step section 3, and the spring plate 4 is detachably arranged in the spring plate groove 31. Be convenient for accomodate shell fragment 4, be convenient for the installation dismantles shell fragment 4.

Referring to fig. 1, 2, 3 and 4, the upper end and the lower end of the spring plate groove 31 are both provided with spring plate groove clamping grooves 311 capable of being matched with the spring plate 4, and the two ends of the spring plate 4 are respectively provided with spring plate clamping heads 41 capable of being in interference fit with the spring plate groove clamping grooves 311. The elastic sheet 4 is convenient to mount and dismount and is more stable in fixation.

Referring to fig. 1, 2, 3 and 4, a spring plate protrusion 42 protruding in a direction away from the axis of the screw rod 2 is disposed at one end of the spring plate 4 close to the screw rod 2. The elastic sheet bulge 42 can be clamped and matched with the top of the screw hole, so that the fixation is more stable.

Referring to fig. 1, 2, 3 and 4, an elastic piece inclined segment 43 which gradually inclines towards the center side of the stepped section 3 is arranged on the elastic piece 4 from the elastic piece protrusion 42 to the end close to the T-shaped screw head 1.

Referring to fig. 1, fig. 2, fig. 3 and fig. 4, be close to on the screw head 1 of T type the one end of screw rod 2 can be dismantled and be equipped with bed hedgehopping piece 5, bed hedgehopping piece 5 has multiple thickness, and the bed hedgehopping piece 5 of every kind of thickness with the last ladder face parallel and level of different ladder sections 3 respectively when the screw head 1 of T type is connected. When different ladder sections 3 and different model nuts are matched, can freely select to fix different block heights 5 on the T-shaped screw head 1 so that the T-shaped screw head 1 can be attached to the bottom of the screw hole.

Referring to fig. 1, 2, 3 and 4, the upper end surface of the T-shaped screw head 1 and the block 5 are respectively provided with a clamping sliding groove 11 and a clamping sliding rail 12 which can be matched with each other. The installation and the disassembly of the heightening block 5 are convenient.

The working process of the utility model is as follows:

in the working process of the stepped T-shaped bolt with the bridge structure, the stepped sections 3 with different diameters are arranged between the T-shaped screw head 1 and the screw rod 2 and can be matched with screw holes of various types, the proper stepped sections 3 are selected to be clamped into the screw holes through the different diameters of the screw holes, the elastic sheets 4 are arranged on the stepped sections 3 and can be matched with the screw holes to fix the bolt, and the bolt is prevented from loosening and falling off when a nut is not screwed in.

The above embodiments are illustrative of the present invention, and are not intended to limit the present invention, and any simple modifications of the present invention are within the scope of the present invention.

Claims

1. The utility model provides a bridge structures notch cuttype T type bolt, includes T type spiral shell head (1) and vertical locating screw rod (2) of T type spiral shell head (1) one end, its characterized in that: the bolt fixing structure is characterized in that a plurality of step sections (3) are arranged between the bottom of the screw rod (2) and the T-shaped screw head (1), the diameters of the screw rod (2) end and the T-shaped screw head (1) end are gradually reduced, and the side walls of the step sections (3) are provided with elastic pieces (4) which can be matched with screw holes to fix bolts.

2. A stepped T-bolt for a bridge construction according to claim 1 wherein: the side wall of the step section (3) is vertically provided with an elastic sheet groove (31) matched with the elastic sheet (4), and the elastic sheet (4) is detachably arranged in the elastic sheet groove (31).

3. A stepped T-bolt for a bridge construction according to claim 2 wherein: the elastic piece groove (31) is provided with elastic piece groove clamping grooves (311) which can be matched with the elastic pieces (4) at the upper end and the lower end, and the elastic piece clamping heads (41) which can be in interference fit with the elastic piece groove clamping grooves (311) are respectively arranged at the two ends of the elastic pieces (4).

4. A stepped T-bolt for a bridge construction according to claim 1 wherein: and an elastic piece bulge (42) which is convexly arranged in the direction far away from the axis direction of the screw rod (2) is arranged at one end, close to the screw rod (2), of the elastic piece (4).

5. A stepped T-bolt for a bridge construction according to claim 4 wherein: and an elastic piece inclined segment (43) which gradually inclines towards the center side of the stepped segment (3) is arranged at one end, close to the T-shaped screw head (1), of the elastic piece bulge (42) on the elastic piece (4).

6. A stepped T-bolt for a bridge construction according to claim 1 wherein: be close to on T type spiral shell head (1) the one end of screw rod (2) can be dismantled and be equipped with bed hedgehopping piece (5), bed hedgehopping piece (5) have multiple thickness, and the bed hedgehopping piece (5) of every kind of thickness with the last ladder face parallel and level of different ladder sections (3) respectively when T type spiral shell head (1) is connected.

7. A stepped T-bolt for a bridge construction according to claim 6 wherein: the T-shaped screw head (1) upper end face with be equipped with joint spout (11) and joint slide rail (12) that can mutually support on bed hedgehopping piece (5) respectively.