Silicon steel sheet fastening anti-loose screw suite

Abstract

The utility model belongs to the technical field of screw suites, and particularly relates to a silicon steel sheet fastening anti-loose screw suite, which comprises a thread tooth sleeve and a screw, the screw comprises a screw rod part and a screw head part, the lower section of the screw rod part is provided with external threads, the thread tooth sleeve is matched with the external threads of the screw rod part, the top of the screw head part is provided with a glue injection channel, and the glue injection channel is communicated with the screw head part. The glue injection channel is communicated with the interior of the lower section of the screw rod part downwards, and a glue through hole communicated with the glue injection channel is formed in the external thread. After the screw penetrates through the mounting hole of the to-be-mounted part, the screw is rotated to mount the part and the silicon steel sheet, glue is injected into the glue injection channel, the glue flows to the threaded tooth sleeve through the glue through hole, and the glue is filled into gaps among the threaded tooth sleeve, the screw and the silicon steel sheet, so that the threaded tooth sleeve and the screw are connected more firmly, the screw is effectively prevented from loosening, and the service life of the part is prolonged. And the fastening performance of the screw is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to screw kit technical field, concretely relates to a silicon steel sheet fastening anti-loose screw kit. BACKGROUND

[0002] Screw is a kind of commonly used fastener, to improve the strength and wear resistance of threaded connection, sometimes still use threaded sleeve, threaded sleeve has the effect of anti-loose and anti-skid.

[0003] For example, install parts on the mover of linear motor by screw and threaded sleeve, linear motor can drive parts to move linearly, but after threaded sleeve and screw are installed, parts are quickly translated, and are influenced by the vibration of other parts of equipment, screw can still be loose after long time use, and the fastening property of screw needs to be improved. SUMMARY

[0004] To solve the problems in the background art, the utility model provides a silicon steel sheet fastening anti-loose screw kit.

[0005] The technical implementation scheme of the utility model is: a silicon steel sheet fastening anti-loose screw kit, including threaded sleeve and screw, the screw includes screw rod part and screw head part, the lower section of the screw rod part has external thread, the threaded sleeve is matched with the external thread of the screw rod part, the top of the screw head part is provided with glue injection channel, the glue injection channel is connected to the inside of the lower section of the screw rod part downwards, the external thread is provided with glue injection hole communicated with the glue injection channel, when the threaded sleeve and the screw are installed in the silicon steel sheet, glue is injected into the glue injection channel, and the glue is filled into the gap between the threaded sleeve, the screw and the silicon steel sheet through the glue injection hole.

[0006] Further, the silicon steel sheet fastening anti-loose screw kit further includes sealing plug, the sealing plug has disc part, the top of the screw head part is provided with circular groove, and the disc part is embedded in the circular groove.

[0007] Further, the bottom of the disc part of the sealing plug further has inserting part, the screw head part is provided with insertion hole at the circular groove, and the inserting part is inserted into the insertion hole.

[0008] Further, the top of the disc part of the sealing plug further has pulling part.

[0009] Further, the top of the screw head part is provided with straight groove communicated with the circular groove.

[0010] Further, the silicon steel sheet fastening anti-loose screw kit further includes rubber ring, the screw further includes circular screw head below the screw head part, the bottom of the circular screw head is provided with recess, the rubber ring is located in the recess, and the bottom of the rubber ring extends from the recess.

[0011] The utility model has the advantages of the following: 1, after the screw passes through the installation hole of the part to be installed, the screw is rotated to install the part and the silicon steel sheet, glue is injected into the glue injection channel, the glue flows to the screw thread sleeve through the glue hole, the glue is filled into the gap between the screw thread sleeve, the screw and the silicon steel sheet, so that the screw thread sleeve and the screw connection are more fastened, the screw loosening is effectively avoided, and the fastening of the screw is improved.

[0012] 2, the sealing plug seals the glue injection channel, prevents foreign matters from entering the glue injection channel to cause blockage, the sealing plug can be pulled out by pulling the pulling part, if the pulling part is broken, the sealing plug can also be pushed out from the straight groove, and the use is convenient. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a state schematic view when the utility model is used.

[0014] Figure 2 It is a structure schematic view of the screw thread sleeve of the utility model.

[0015] Figure 3 It is a structure schematic view of the screw of the utility model.

[0016] Figure 4 It is a structure schematic view of the screw of the utility model Figure 1 It is a front view of the screw thread sleeve, the silicon steel sheet and the screw after being cut open.

[0017] Figure 5 It is a partial sectional view of the screw thread sleeve, the screw and the sealing plug of the utility model.

[0018] Figure 6 It is a sectional view of the screw of the utility model.

[0019] In the above drawings: 1 - silicon steel sheet, 2 - internal thread, 3 - screw thread sleeve, 31 - cutout, 4 - screw, 41 - external thread, 42 - screw head, 43 - round screw head, 5 - glue injection channel, 6 - glue hole, 7 - sealing plug, 71 - disc part, 72 - plug-in part, 73 - pulling part, 74 - round groove, 75 - insertion hole, 76 - straight groove, 8 - rubber ring, 81 - groove. DETAILED DESCRIPTION

[0020] In this document, reference to an embodiment means a particular feature, structure, or characteristic described in connection with an embodiment. The appearance of the phrase in various places in the specification is not necessarily all referring to the same embodiment, nor is it necessarily referring to a particular alternative embodiment. Those of ordinary skill in the art will recognize immediately upon reading this document that the described embodiments can be combined with each other in various ways.

[0021] Embodiment 1: A silicon steel sheet fastening anti-loose screw kit, referring to Figures 1-6 , comprising a thread sleeve 3 and a screw 4, the screw 4 comprising a screw rod part and a hexagonal screw head part 42, the lower section of the screw rod part having external threads 41, the thread sleeve 3 cooperating with the external threads 41 of the screw rod part, the screw head part 42 having a glue injection channel 5 at the top, the glue injection channel 5 leading down to the inside of the lower section of the screw rod part, four glue injection holes 6 being provided at the external threads 41 and communicating with the glue injection channel 5; after the thread sleeve 3 and the screw 4 are installed in the silicon steel sheet 1, glue is injected into the glue injection channel 5, and the glue fills into the gap between the thread sleeve 3, the screw 4 and the silicon steel sheet 1 through the glue injection holes 6.

[0022] Referring to Figures 3-6 , the silicon steel sheet fastening anti-loose screw kit further comprises a rubber ring 8, and the screw 4 further comprises a round screw head 43 below the screw head part 42, the bottom of the round screw head 43 having a groove 81, the rubber ring 8 being located in the groove 81, and the bottom of the rubber ring 8 extending out of the groove 81.

[0023] First, the thread sleeve 3 is screwed into the internal threads 2 of the silicon steel sheet 1, and the excess part of the thread sleeve 3 is broken off through the cutout 31; then the mounting hole of the part to be installed is aligned with the thread sleeve 3, the screw 4 is passed through the mounting hole of the part to be installed, and the screw 4 is rotated so that the screw 4 cooperates with the thread sleeve 3 through the external threads 41 until the bottom of the rubber ring 8 is tightly attached to the surface of the part to be installed, thereby installing the part and the silicon steel sheet 1; the rubber ring 8 can increase the friction to avoid displacement of the part.

[0024] Then, glue is injected into the glue injection channel 5, and in this embodiment, the glue is metal AB glue, which flows from the glue injection holes 6 to the thread sleeve 3 through the glue injection channel 5, so that the metal AB glue fills into the gap between the thread sleeve 3, the screw 4 and the silicon steel sheet 1, thereby making the connection between the thread sleeve 3 and the screw 4 more secure and effectively avoiding loosening of the screw 4, and improving the fastening of the screw 4.

[0025] Embodiment 2: Based on Embodiment 1, referring to Figures 3-6 , the silicon steel sheet fastening anti-loose screw kit further comprises a sealing plug 7 made of rubber, the sealing plug 7 having a disc part 71, the top of the screw head part 42 having a circular groove 74, and the disc part 71 being embedded in the circular groove 74; the bottom of the disc part 71 of the sealing plug 7 further having two cylindrical insertion parts 72, the screw head part 42 having two cylindrical insertion holes 75 at the circular groove 74, and the two insertion parts 72 being respectively inserted into the two insertion holes 75; the top of the disc part 71 of the sealing plug 7 further having a pulling part 73; and the top of the screw head part 42 having a straight groove 76 communicating with the circular groove 74.

[0026] The insertion part 72 of the sealing plug 7 is inserted into the insertion hole 75, and the disc part 71 is embedded into the circular groove 74, so that the sealing plug 7 can seal the glue injection channel 5, and foreign matters are prevented from entering the glue injection channel 5 to cause blockage. The sealing plug 7 can be pulled out by pulling the pulling part 73. If the pulling part 73 is broken, the sealing plug 7 can also be pushed out from the straight groove 76 by using a tool, and the sealing plug 7 is convenient to use.

[0027] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not intended to limit the scope of protection of the present application. Although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the essence and scope of the technical solutions of the present application.

Claims

1. A silicon steel sheet fastening anti-loosening screw kit, comprising a threaded sleeve (3) and a screw (4), wherein the screw (4) comprises a screw portion and a screw head (42), the lower section of the screw portion has an external thread (41), the threaded sleeve (3) cooperates with the external thread (41) of the screw portion, and is characterized in that: A glue injection channel (5) is provided at the top of the screw head (42), and the glue injection channel (5) extends downward to the interior of the lower section of the screw rod. A glue hole (6) communicating with the glue injection channel (5) is provided at the external thread (41); after the threaded sleeve (3) and the screw (4) are installed in the silicon steel sheet (1), glue is injected into the glue injection channel (5), and the glue is filled into the gap between the threaded sleeve (3), the screw (4) and the silicon steel sheet (1) through the glue hole (6).

2. A silicon steel sheet fastening and anti-loosening screw kit according to claim 1, characterized in that: The silicon steel sheet fastening anti-loosening screw kit also includes a sealing plug (7), the sealing plug (7) has a disc portion (71), a circular groove (74) is opened on the top of the screw head (42), and the disc portion (71) is embedded in the circular groove (74).

3. A silicon steel sheet fastening and anti-loosening screw kit according to claim 2, characterized in that: The bottom of the disc portion (71) of the sealing plug (7) is also provided with an inserting portion (72), and the screw head portion (42) is provided with an inserting hole (75) at the circular groove (74), and the inserting portion (72) is inserted into the inserting hole (75).

4. A silicon steel sheet fastening and anti-loosening screw kit according to claim 3, characterized in that: The top of the disc portion (71) of the sealing plug (7) also has a pulling portion (73).

5. A silicon steel sheet fastening and anti-loosening screw kit according to claim 4, characterized in that: The top of the screw head (42) is provided with a straight groove (76) which is in communication with the circular groove (74).

6. A silicon steel sheet fastening and anti-loosening screw kit according to claim 5, characterized in that: The silicon steel sheet fastening anti-loosening screw kit also includes a rubber ring (8), and the screw (4) also includes a round screw head (43) located below the screw head (42). A groove (81) is formed at the bottom of the round screw head (43), and the rubber ring (8) is located in the groove (81), and the bottom of the rubber ring (8) extends out from the groove (81).

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