New energy fastener in cylindrical head

Abstract

The utility model relates to the field of fasteners, in particular to a new energy fastener in a cylindrical head, which comprises a fastening bolt, the cylindrical head with an integrated structure is fixed at the top of the fastening bolt, an inner hexagonal groove is arranged at the top end of the cylindrical head, a secondary fastening component is mounted in the fastening bolt, and the secondary fastening component is fixedly connected with the cylindrical head. The fastening bolt has the advantages that the fastening bolt and a fastening assembly needed by new energy are in threaded connection and fixation, the fastening bolt and the fastening assembly needed by the new energy can be clamped and fixed again on the basis of threaded connection and fixation, the dual-fixation function is achieved, the fixing effect is greatly improved, and the fastening bolt can be used for fastening the fastening assembly needed by the new energy. Therefore, the connecting and fixing requirements between the new energy assemblies can be better met, and the method is suitable for popularization.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of fastener, concretely relates to a new energy fastener in cylinder head. BACKGROUND

[0002] New energy fastener usually refers to the fastener used in the connection and fixation of components in the new energy field (such as electric vehicles, solar energy, wind energy, etc.).

[0003] In the prior art, the new energy fastener in cylinder head can realize the function of connecting and fixing the fastening components required by new energy, but the fixation is usually realized by thread connection between the fastener and the component, the fixation mode is single, and the fixation effect needs to be further improved.

[0004] Therefore, it is necessary to invent a new energy fastener in cylinder head. UTILITY MODEL CONTENT

[0005] Therefore, the utility model provides a new energy fastener in cylinder head to solve the problems in the background art.

[0006] In order to achieve the above purpose, the utility model provides the following technical scheme: a new energy fastener in cylinder head, comprising a fastening bolt, the top of the fastening bolt is fixed with a one-piece structure of cylinder head, the top end of the cylinder head is provided with an internal hexagonal groove, and the inside of the fastening bolt is provided with a secondary fastening assembly.

[0007] Preferably, the secondary fastening assembly comprises an open slot, the open slot is arranged at the center of the bottom end of the fastening bolt, the bottom center of the inner wall of the internal hexagonal groove is vertically provided with a slot, the bottom center of the inner wall of the slot is provided with a threaded hole, and the bottom end of the threaded hole is in communication with the top center of the inner wall of the open slot.

[0008] Preferably, the threaded hole wall is threadedly connected with an adjusting screw, the top end of the adjusting screw vertically penetrates the slot, and the top end of the adjusting screw is fixed with a rotating piece, and the top end of the rotating piece is provided with a cross-shaped slot.

[0009] Preferably, the bottom end of the adjusting screw is fixed with a push block, and the push block is located in the open slot.

[0010] Preferably, the secondary fastening assembly further comprises a plurality of limiting holes, the plurality of limiting holes are evenly arranged at the bottom of the side end of the fastening bolt, and the limiting holes are in communication with the side of the inner wall of the open slot.

[0011] Preferably, the limiting hole is penetrated by a pin, and the limiting hole wall is in close contact with the surface of the pin, and the end of the pin close to the push block is provided with a beveled end.

[0012] Preferably, the side of the catch pin surface close to the slope end is fixed with a limiting sheet, the surface of the limiting sheet is fixed with a return spring, the end of the return spring away from the limiting sheet is fixed on the inner wall side of the open slot, and the catch pin passes through the return spring.

[0013] Preferably, when the bottom end of the push block abuts against the bottom of the slope end, the catch pin extends out of the limiting hole, and the return spring is in a compressed state; when the bottom end of the push block abuts against the surface of the limiting sheet, the catch pin retracts into the limiting hole, and the return spring is in a normal state.

[0014] Preferably, the bottom end of the fastening bolt is provided with a baffle, the cross section of the baffle is convex, and the top end of the baffle is threadedly connected to the bottom end of the inner wall side of the open slot.

[0015] The utility model discloses a fastening bolt, cylindrical head, inner hexagonal groove and the cooperation of secondary fastening assembly are used, have the fixed function of being fixed through the threaded connection between fastening bolt and new energy required fastening assembly, and still can be fixed through the clamping between new energy required fastening assembly on the basis of threaded connection, realize the function of double fixing, greatly promote the fixed effect, can better satisfy the connecting fixed demand between new energy components, and the utility model discloses a structure. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure schematic view when the catch pin extends out for the utility model;

[0017] Figure 2 It is the structure of A place in Figure 1 enlarged view;

[0018] Figure 3 It is a structure plan view for the utility model;

[0019] Figure 4 It is a structure schematic view when the catch pin retracts for the utility model;

[0020] Figure 5 It is the structure of B place in Figure 4 enlarged view;

[0021] Figure 6 It is a use effect drawing for the utility model.

[0022] In the drawing: 1, fastening bolt; 2, cylindrical head; 3, inner hexagonal groove; 4, open slot; 5, insertion slot; 6, threaded hole; 7, adjusting screw; 8, rotating sheet; 9, cross type slot; 10, push block; 11, limiting hole; 12, catch pin; 13, slope end; 14, limiting sheet; 15, return spring; 16, baffle. DETAILED DESCRIPTION

[0023] The preferred embodiments of the utility model are described below in combination with the drawings, and it should be understood that the preferred embodiments described herein are only used for illustrating and explaining the utility model, and are not used for limiting the utility model.

[0024] Please refer to the attached Figures 1-6 The utility model provides a kind of cylindrical head inner fastener, including fastening bolt 1, fastening bolt 1 top is fixed with the integrated structure of cylindrical head 2, cylindrical head 2 top end is equipped with internal hexagonal groove 3, can be conveniently operated personnel by hexagonal wrench rotates fastening bolt 1, to realize the fixed function of the threaded connection between fastening bolt 1 and new energy required fastening assembly, fastening bolt 1 inside is equipped with secondary fastening assembly;

[0025] Secondary fastening assembly includes opening slot 4, opening slot 4 is equipped in fastening bolt 1 bottom end center, internal hexagonal groove 3 inner wall bottom center is vertically equipped with insertion slot 5, insertion slot 5 inner wall bottom center is equipped with threaded hole 6, threaded hole 6 bottom end is connected with the inner wall top center of opening slot 4, threaded hole 6 hole wall is connected with adjusting screw 7, adjusting screw 7 top end vertically penetrates insertion slot 5, and adjusting screw 7 top end is fixed with rotating sheet 8, rotating sheet 8 top end is equipped with cross type slot 9, can be conveniently operated personnel by a letter screwdriver and other tools, rotates adjusting screw 7, adjusting screw 7 bottom end is fixed with push block 10, push block 10 is located in opening slot 4, specifically, after fastening bolt 1 is tightened and fixed between new energy required fixed assembly, it can also be reversed by a letter screwdriver and other tools rotating adjusting screw 7, when adjusting screw 7 is reversed, push block 10 can be driven to move up and down;

[0026] Secondary fastening assembly still includes several limit holes 11, several limit holes 11 are evenly equipped in fastening bolt 1 side end bottom, limit hole 11 is connected with the inner wall side of opening slot 4, limit hole 11 is all penetrated with pin 12, and limit hole 11 hole wall and the surface of pin 12 are attached, that is, under the limiting effect of limit hole 11, pin 12 can be stably linearly moved, one end of pin 12 close to push block 10 is all provided with inclined end 13, the side of pin 12 surface close to inclined end 13 is all fixed with limit sheet 14, the surface of limit sheet 14 is all fixed with return spring 15, one end of return spring 15 away from limit sheet 14 is all fixed in the inner wall side of opening slot 4, pin 12 passes through return spring 15, that is, when pin 12 is moved by extrusion force, return spring 15 can be compressed, so that return spring 15 is elastically deformed to generate elastic force;

[0027] When the bottom end of push block 10 abuts on the bottom of inclined end 13, pin 12 extends out of limit hole 11, and return spring 15 is in compressed state (as Figure 1 When the bottom end of push block 10 abuts on the surface of limit sheet 14, pin 12 is retracted into limit hole 11, and return spring 15 is in normal state (asFigure 4 As shown), specifically, when the locking pin 12 extends, it makes the fastener and the fastening components required by the new energy again to be locked and fixed, realizing the function of double fixing, greatly improving the fixing effect, so as to better meet the connection and fixing needs between new energy components. When the locking pin 12 retracts, the fastener and the fastening components required by the new energy can be disassembled.

[0028] A baffle plate 16 is provided at the bottom of the fastening bolt 1. The baffle plate 16 has a convex cross section. The top of the baffle plate 16 is threaded to the bottom of the inner wall of the opening groove 4. It should be noted that the diameter of the baffle plate 16 is smaller than the diameter of the fastening bolt 1. Specifically, under the action of the baffle plate 16, the return spring 15 and other structures in the opening groove 4 can be effectively protected.

[0029] The usage process of this utility model is as follows: First, the operator uses a hex wrench to rotate the fastening bolt 1, tightening the fastening bolt 1 into the threaded hole between the fastening components required for the new energy source, thus achieving the function of fixing the fastening bolt 1 with the fastening components required for the new energy source through threaded connection. Then, the operator uses a flathead screwdriver or other tools to rotate the adjusting screw 7. When the adjusting screw 7 rotates, it can drive the pushing block 10 to move down, thereby squeezing the locking pin 12 through the inclined end 13, causing the locking pin 12 to move under force and extend out of the limiting hole 11. When the locking pin 12 extends, the fastener and the fastening components required for the new energy source are locked together again, achieving the function of double fixing, greatly improving the fixing effect, and thus better meeting the connection and fixing needs between the new energy components. Similarly, the reverse operation can control the disassembly between the fastener and the fastening components required for the new energy source.

[0030] The above description is merely a preferred embodiment of this utility model. Any person skilled in the art can modify this utility model or modify it into an equivalent technical solution using the technical solution described above. Therefore, any simple modifications or equivalent substitutions made based on the technical solution of this utility model are within the scope of protection claimed by this utility model.

Claims

1. A new energy fastener with a cylindrical head, comprising a fastening bolt (1), characterized in that: The top of the fastening bolt (1) is fixed with an integral cylindrical head (2), the top of the cylindrical head (2) is provided with an internal hexagonal groove (3), and a secondary fastening assembly is installed inside the fastening bolt (1).

2. The new energy fastener with a cylindrical head according to claim 1, characterized in that: The secondary fastening assembly includes an opening groove (4), which is located at the center of the bottom end of the fastening bolt (1). A slot (5) is vertically provided at the center of the bottom of the inner wall of the internal hexagonal groove (3). A threaded hole (6) is provided at the center of the bottom of the inner wall of the slot (5). The bottom end of the threaded hole (6) is connected to the center of the top of the inner wall of the opening groove (4).

3. A new energy fastener with a cylindrical head according to claim 2, characterized in that: The threaded hole (6) is threadedly connected to an adjusting screw (7). The top of the adjusting screw (7) passes vertically through the slot (5), and a rotating plate (8) is fixed to the top of the adjusting screw (7). A cross-shaped groove (9) is opened at the top of the rotating plate (8).

4. A new energy fastener with a cylindrical head according to claim 3, characterized in that: The bottom end of the adjusting screw (7) is fixed with a push block (10), which is located in the opening groove (4).

5. A new energy fastener with a cylindrical head according to claim 4, characterized in that: The secondary fastening assembly also includes several limiting holes (11), which are evenly opened at the bottom of the side end of the fastening bolt (1). The limiting holes (11) are all connected to the inner wall side of the opening groove (4).

6. A new energy fastener with a cylindrical head according to claim 5, characterized in that: Each of the limiting holes (11) has a locking pin (12) passing through it, and the wall of the limiting hole (11) is in contact with the surface of the locking pin (12). Each of the locking pins (12) has a beveled end (13) near the push block (10).

7. A new energy fastener with a cylindrical head according to claim 6, characterized in that: On the side of the pin (12) near the inclined end (13), a limiting piece (14) is fixed. On the surface of the limiting piece (14), a return spring (15) is fixed. The end of the return spring (15) away from the limiting piece (14) is fixed to the inner wall side of the opening groove (4). The pin (12) passes through the return spring (15).

8. A new energy fastener with a cylindrical head according to claim 7, characterized in that: When the bottom end of the push block (10) abuts against the bottom of the inclined end (13), the locking pin (12) extends out of the limiting hole (11) and the return spring (15) is in a compressed state. When the bottom end of the push block (10) abuts against the surface of the limiting piece (14), the locking pin (12) retracts into the limiting hole (11) and the return spring (15) is in a normal state.

9. A new energy fastener with a cylindrical head according to claim 2, characterized in that: The bottom end of the fastening bolt (1) is provided with a baffle (16), the baffle (16) has a convex cross section, and the top end of the baffle (16) is threaded to the bottom end of the inner wall side of the opening groove (4).

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