Inner hexagonal screw fastener

Abstract

The utility model relates to the technical field of inner hexagonal screws, in particular to an inner hexagonal screw fastener which comprises a main seat, a sealing assembly and a fastening assembly. The sealing assembly comprises a fixing strip, a sealing plate, a plurality of limiting strips, a fixing seat and a control strip, the fixing strip is detachably connected with the main seat and located in the main seat, the sealing plate is fixedly connected with the fixing strip and located in the middle of the main seat, the limiting strips are fixedly connected with the sealing plate and located between the sealing plate and the main seat, and the control strip is fixedly connected with the fixing strip and located between the sealing plate and the main seat. The fixing seat is fixedly connected with the sealing plate and located on the side, away from the fixing strip, of the sealing plate, the control strip is fixedly connected with the fixing seat and located on the top of the fixing seat, and the fastening assembly is located in the main seat. And the internal part of the fastener is easily blocked after long-time use, so that the screw fastener is inconvenient to disassemble.

Description

Technical Field

[0001] This utility model relates to the field of internal hexagon screw technology, and in particular to an internal hexagon screw fastener. Background Technology

[0002] Existing hexagon socket bolt fasteners, after being tightened, may experience movement at the connection point due to frequent disassembly or prolonged use, thus affecting installation stability.

[0003] Existing patent publication number CN221347554U discloses an internal hexagonal screw fastener, including a screw spindle and a head. The head is fixedly connected to the top of the screw spindle, and an internal hexagonal shaft hole is formed on the top surface of the head. A connecting hole is formed at the bottom of the internal hexagonal shaft hole, and a connecting reinforcement mechanism is provided inside the connecting hole. A reset mechanism is fixedly connected to the bottom of the connecting hole, and the reset mechanism is located directly below the connecting reinforcement mechanism. A connecting groove is formed around the outer perimeter of the screw spindle, and the connecting groove communicates with the connecting hole. The internal hexagonal screw fastener utilizes the screw to rotate inside the connecting hole, thereby causing its bottom end to press down against the reinforcement plate. At the same time, the collar rotates outside the connection, and the reinforcement plate opens outward from inside the connecting groove, so that it is locked inside the mounting hole, which helps to enhance the overall installation stability of the screw fastener and prevents it from falling off.

[0004] However, the aforementioned hexagon socket screws are prone to dust accumulation inside during use, which can cause blockages over time, making them difficult to disassemble. Utility Model Content

[0005] The purpose of this utility model is to provide an internal hexagonal screw fastener that solves the problem that dust easily accumulates inside the fastener during use, and the internal blockage of the fastener is easily caused by long-term use, making it difficult to disassemble the screw fastener.

[0006] To achieve the above objectives, this utility model provides an internal hexagonal screw fastener, including a main seat, a sealing assembly, and a fastening assembly. The sealing assembly includes a fixing strip, a sealing plate, a limiting strip, a fixing seat, and a control strip. The fixing strip is detachably connected to the main seat and located inside the main seat. The sealing plate is fixedly connected to the fixing strip and located in the middle of the main seat. There are multiple limiting strips, each fixedly connected to the sealing plate and located between the sealing plate and the main seat. The fixing seat is fixedly connected to the sealing plate and located on the side of the sealing plate away from the fixing strip. The control strip is fixedly connected to the fixing seat and located on top of the fixing seat. The fastening assembly is located inside the main seat.

[0007] The internal hexagonal screw fastener also includes a main rod, which is fixedly connected to the main seat and located at the bottom of the main seat.

[0008] The main rod has a main thread on its outer side and an internal thread on its inner side. The main seat has a slot on its inner side, multiple limiting slots on its top, and a fixing slot on its top.

[0009] The fastening assembly includes a fastening seat and a fastening rod. The fastening seat is slidably connected to the main rod and is located inside the main rod. The fastening rod is fixedly connected to the fastening seat and passes through the main rod.

[0010] The fastening seat has a control groove on its surface, and the fastening rod has a secondary thread on its outer side.

[0011] This utility model discloses an internal hexagon socket screw fastener. The main seat controls the main rod and secures the object. The fixing strip provides a limiting function for the sealing plate. The sealing plate seals the main seat, and the limiting strip provides a limiting function for the sealing plate. The fixing seat fixes the sealing plate, and the control strip controls the fixing seat. After the fastener is installed, the sealing plate is inserted into the main seat along the fixing strip and the limiting strip. At this time, the fixing strip is inserted into the slot, and the limiting strip... The strip engages with the limiting groove, and the fixing seat is then inserted into the fixing groove to secure the sealing plate and prevent external dust and rainwater from entering the main seat. When removal is required, the fixing seat can be compressed by the control strip to release the engagement between the fixing seat and the fixing groove, and then the sealing plate can be removed from the main seat, facilitating the disassembly of the fastener. This solves the problem that internal hexagonal screw fasteners are prone to dust accumulation during use, which can easily cause internal blockage after long-term use, making the screw fastener difficult to disassemble. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.

[0013] Figure 1 This is a schematic diagram of the overall structure of the internal hexagonal screw fastener according to the first embodiment of this utility model.

[0014] Figure 2 This is a schematic diagram of the sealing assembly according to the first embodiment of the present invention.

[0015] Figure 3This is a cross-sectional structural diagram of the main seat and main rod of the first embodiment of this utility model.

[0016] Figure 4 This is a cross-sectional structural diagram of the fastening component according to the first embodiment of this utility model.

[0017] In the diagram: 101-Main seat, 102-Main rod, 103-Fixing strip, 104-Sealing plate, 105-Limiting strip, 106-Fixing seat, 107-Control strip, 108-Main thread, 109-Internal thread, 110-Slot, 111-Limiting groove, 112-Fixing groove, 113-Fastening seat, 114-Fastening rod, 115-Control groove, 116-Secondary thread. Detailed Implementation

[0018] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.

[0019] The first embodiment of this application is as follows:

[0020] Please see Figures 1 to 4 ,in, Figure 1 This is a schematic diagram of the overall structure of the internal hexagonal screw fastener according to the first embodiment of this utility model. Figure 2 This is a schematic diagram of the sealing assembly according to the first embodiment of the present invention. Figure 3 This is a cross-sectional structural diagram of the main seat and main rod according to the first embodiment of this utility model. Figure 4 This is a cross-sectional structural diagram of the fastening assembly according to the first embodiment of the present invention. The present invention provides an internal hexagonal screw fastener, including a main seat 101, a main rod 102, a sealing assembly, and a fastening assembly. The sealing assembly includes a fixing strip 103, a sealing plate 104, a limiting strip 105, a fixing seat 106, and a control strip 107. The fastening assembly includes a fastening seat 113 and a fastening rod 114. The aforementioned solution solves the problem that dust easily accumulates inside the internal hexagonal screw fastener during use, and that prolonged use can easily cause internal blockage, making the screw fastener difficult to disassemble.

[0021] In this specific embodiment, the fixing strip 103 is detachably connected to the main seat 101 and located inside the main seat 101. The sealing plate 104 is fixedly connected to the fixing strip 103 and located in the middle of the main seat 101. Multiple limiting strips 105 are provided, each fixedly connected to the sealing plate 104 and located between the sealing plate 104 and the main seat 101. The fixing seat 106 is fixedly connected to the sealing plate 104 and located on the side of the sealing plate 104 away from the fixing strip 103. The control strip 107 is fixedly connected to the fixing seat 106 and located at the top of the fixing seat 106. The fastening assembly is located inside the main seat 101. The main seat 101 is used to control the main rod 102 and to fasten the item. The fixing strip 103 provides a limiting function for the sealing plate 104. The sealing plate 104 is used to... The main seat 101 is sealed. The limiting strip 105 is used to limit the sealing plate 104. The fixing seat 106 is used to fix the sealing plate 104. The control strip 107 is used to control the fixing seat 106. After the fastener is installed, the sealing plate 104 is inserted into the main seat 101 along the fixing strip 103 and the limiting strip 105. At this time, the fixing strip 103 is inserted into the slot 110, and the limiting strip 105 cooperates with the limiting groove 111. Then, the fixing seat 106 is inserted into the fixing groove 112 to fix the sealing plate 104 and prevent external dust and rainwater from entering the main seat 101. When it is necessary to remove it, the fixing seat 106 is compressed by the control strip 107 to release the cooperation between the fixing seat 106 and the fixing groove 112, and then the sealing plate 104 is taken out from the main seat 101 to facilitate the disassembly of the fastener.

[0022] The main rod 102 is fixedly connected to the main seat 101 and is located at the bottom of the main seat 101. The main rod 102 is used to fasten the item.

[0023] Secondly, the main rod 102 has a main thread 108 on its outer side and an internal thread 109 on its inner side. The main seat 101 has a slot 110 on its inner side and multiple limiting slots 111 on its top. The main seat 101 also has a fixing slot 112 on its top. The main thread 108 is used to fix the external fastener. The internal thread 109 is used to limit the fastening assembly. The slot 110 is used to fix the position of the fixing strip 103. The limiting slots 111 are used to limit the limiting strip 105 to prevent the sealing plate 104 from shaking in the main seat 101. The fixing slot 112 is used to fix the fixing seat 106.

[0024] Furthermore, the fastening seat 113 is slidably connected to the main rod 102 and is located inside the main rod 102. The fastening rod 114 is fixedly connected to the fastening seat 113 and passes through the main rod 102. The fastening seat 113 is used to control the fastening rod 114, and the fastening rod 114 is used to strengthen the fixation of the main rod 102 to the fastener.

[0025] Finally, the surface of the fastening seat 113 is provided with a control groove 115, and the outer side of the fastening rod 114 is provided with a secondary thread 116. The control groove 115 facilitates the rotation of the fastening rod 114. The secondary thread 116 meshes with the internal thread 109. After the main rod 102 is inserted into the inside of the part to be fastened through the main thread 108, the fastening seat 113 is rotated through the control groove 115, which drives the fastening rod 114 to rotate. Through the cooperation of the secondary thread 116 and the internal thread 109, the fastening rod 114 slides out from the inside of the main rod 102, which facilitates the secondary fastening of the fastener.

[0026] Using the internal hexagonal screw fastener of this embodiment, the main seat 101 is used to control the main rod 102 and to fasten the item. The fixing strip 103 is used to limit the sealing plate 104, which is used to seal the main seat 101. The limiting strip 105 is used to limit the sealing plate 104. The fixing seat 106 is used to fix the sealing plate 104. The control strip 107 is used to control the fixing seat 106. After the fastener is installed, the sealing plate 104 is inserted into the main seat 101 along the fixing strip 103 and the limiting strip 105. At this time, the fixing strip 103 is inserted into the slot. In step 110, the limiting strip 105 engages with the limiting groove 111, and the fixing seat 106 is inserted into the fixing groove 112 to facilitate the fixing of the sealing plate 104 and prevent external dust and rainwater from entering the main seat 101. When disassembly is required, the fixing seat 106 is compressed by the control strip 107 to release the engagement between the fixing seat 106 and the fixing groove 112, and the sealing plate 104 is removed from the main seat 101, making it easy to disassemble the fastener. This solves the problem that the internal hexagonal screw fastener is prone to dust accumulation during use, and the internal blockage of the fastener is easy to cause the screw fastener to be difficult to disassemble after long-term use.

[0027] The above-disclosed embodiments are merely one or more preferred embodiments of this application and should not be construed as limiting the scope of this application. Those skilled in the art can understand that all or part of the processes for implementing the above embodiments and equivalent changes made in accordance with the claims of this application still fall within the scope of this application.

Claims

1. A hexagon socket head cap screw fastener, comprising a main body, characterized in that, It also includes sealing components and fastening components; The sealing assembly includes a fixing strip, a sealing plate, a limiting strip, a fixing seat, and a control strip. The fixing strip is detachably connected to the main seat and is located inside the main seat. The sealing plate is fixedly connected to the fixing strip and is located in the middle of the main seat. There are multiple limiting strips, each fixedly connected to the sealing plate and located between the sealing plate and the main seat. The fixing seat is fixedly connected to the sealing plate and is located on the side of the sealing plate away from the fixing strip. The control strip is fixedly connected to the fixing seat and is located on top of the fixing seat. The fastening assembly is located inside the main seat.

2. The internal hexagon socket screw fastener as described in claim 1, characterized in that, The internal hexagonal screw fastener also includes a main rod, which is fixedly connected to the main seat and located at the bottom of the main seat.

3. The internal hexagon socket screw fastener as described in claim 2, characterized in that, The main rod has a main thread on its outer side and an internal thread on its inner side. The main seat has a slot on its inner side, multiple limiting slots on its top, and a fixing slot on its top.

4. The internal hexagonal socket screw fastener as described in claim 2, characterized in that, The fastening assembly includes a fastening seat and a fastening rod. The fastening seat is slidably connected to the main rod and is located inside the main rod. The fastening rod is fixedly connected to the fastening seat and passes through the main rod.

5. The internal hexagon socket screw fastener as described in claim 4, characterized in that, The surface of the fastening seat is provided with a control groove, and the outer side of the fastening rod is provided with a secondary thread.

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