Silencing structure of fastener

Abstract

The utility model relates to the technical field of nail shooting devices, in particular to a fastening device noise reduction structure which comprises a main sleeve and a structural assembly. The structural assembly comprises a sleeve, a noise reduction sleeve, a nail tube, a reset spring, a firing pin, a needle tube, a needle rod, a handle, a firing spring, an inclined face, an abutting face and a noise reduction pad, the sleeve is slidably installed on one side of the main sleeve, the needle tube is in threaded connection with the sleeve, the needle rod is connected with the needle tube through a plug pin, the handle is in threaded connection with the main sleeve, one end of the firing spring is connected with the handle, and the other end of the firing spring is connected with the needle rod. One end of the reset spring is connected with the main sleeve, the other end of the reset spring is connected with the sleeve, the firing pin is in sliding connection with the needle tube and fixedly connected with the needle rod, the silencing sleeve is in threaded connection with the sleeve, the nail tube is in sliding connection with the needle tube and in sliding connection with the silencing sleeve, and the inclined face is located on the side, close to the nail tube, of the silencing sleeve and matched with the nail tube. The abutting face is located on the side, close to the inclined face, of the nail pipe and matched with the inclined face, the silencing sleeve is arranged on the nail pipe in a sleeving mode, and therefore the using effect of the structure is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of nail shooting devices, in particular to a silencing structure for a fastener. Background Art

[0002] A fastener is an improved type of nail gun. Its design principle is to use smokeless gunpowder to explode in a closed space, instantly generating a huge thrust to drive nails into concrete. In the usual technology, the entire fastener needs to be completely disassembled to perform the conversion between different specifications of nails, which affects the use effect of the structure.

[0003] The prior art CN218658876U discloses an integrated fastener structure, including a dust cover, a heat insulation sleeve, a silencing sleeve, a nail tube, a sleeve compression spring, a firing pin sleeve, and a movable sleeve. First, disassemble the dust cover in sequence, remove the heat insulation sleeve, unscrew the silencing sleeve, then take out the nail tube, the sleeve compression spring, and the firing pin sleeve. After that, press down the movable sleeve, set the corresponding firing pin sleeve for the required replacement specification, then install the sleeve compression spring and the nail tube corresponding to the required nail specification, and finally install the silencing sleeve and thread it with the movable sleeve to perform the conversion between different specifications of nails, thereby improving the use effect of the structure.

[0004] During normal use, in the prior art during operation, there is easily a situation where the silencing sleeve and the nail tube are not closely attached, resulting in poor silencing effect and poor sealing between the silencing sleeve and the nail tube, thus affecting the use effect of the structure. Summary of the Utility Model

[0005] The purpose of the utility model is to provide a silencing structure for a fastener, which solves the problem that in the prior art during operation, there is easily a situation where the silencing sleeve and the nail tube are not closely attached, resulting in poor silencing effect and poor sealing between the silencing sleeve and the nail tube, thus affecting the use effect of the structure.

[0006] To achieve the above purpose, the utility model provides a silencing structure for a fastener, including a main sleeve, characterized in that,

[0007] It further includes a structural component;

[0008] The structural component includes a sleeve, a silencing sleeve, a nail tube, a return spring, a firing pin, a needle tube, a needle rod, a handle, a firing spring, an inclined surface, a butting surface, and a sound damping pad. The sleeve is slidably mounted on one side of the main sleeve. The needle tube is threadedly connected to the sleeve. The needle rod is connected to the needle tube through a pin. The handle is threadedly connected to the main sleeve and is located on the side of the main sleeve away from the sleeve. One end of the firing spring is connected to the handle, and the other end of the firing spring is connected to the needle rod. One end of the return spring is connected to the main sleeve, and the other end of the return spring is connected to the sleeve. The firing pin is slidably connected to the needle tube and is fixedly connected to the needle rod. The silencing sleeve is threadedly connected to the sleeve. The nail tube is slidably connected to the needle tube and is slidably connected to the silencing sleeve. The inclined surface is located on the side of the silencing sleeve close to the nail tube and cooperates with the nail tube. The butting surface is located on the side of the nail tube close to the inclined surface and cooperates with the inclined surface. The silencing sleeve is sleeved on the nail tube.

[0009] Wherein, the nail tube has an annular groove, and the annular groove is located on the side of the nail tube close to the sound damping pad and cooperates with the sound damping pad.

[0010] Wherein, the silencing sleeve has an internal threaded hole, and the internal threaded hole is located on the side of the silencing sleeve close to the sleeve and cooperates with the sleeve; the sleeve has a first external thread, and the first external thread is located on the side of the sleeve close to the internal threaded hole and cooperates with the internal threaded hole.

[0011] Wherein, the structural component further includes a brake pin and a brake spring. The brake pin is slidably connected to the needle rod and is located on the side of the needle rod close to the needle tube; one end of the brake spring is connected to the brake pin, and the other end of the brake spring is connected to the needle tube.

[0012] Wherein, the structural component further includes a mounting frame and a limiting block. The mounting frame is fixedly connected to the nail tube and is located on the side of the nail tube away from the firing pin; the limiting block is slidably connected to the mounting frame and is fixedly connected to the sleeve.

[0013] For a silencing structure of a fastener according to the present invention, when the nail tube abuts against the silencing sleeve, the inclined surface cooperates with the butting surface, so that the nail tube and the silencing sleeve are more closely fitted. At the same time, the nail tube drives the sound damping pad to abut against the silencing sleeve, so that a sealed space is formed between the nail tube and the silencing sleeve, thereby improving the sound damping effect and sealing performance between the silencing sleeve and the nail tube, and thus improving the use effect of the structure. Description of the Drawings

[0014] To more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art.

[0015] Figure 1 It is a schematic structural diagram of the staple tube and the needle tube of the present utility model.

[0016] Figure 2 It is a schematic overall structural diagram of the staple tube of the present utility model.

[0017] Figure 3 It is a schematic structural diagram of the staple tube and the sound insulation pad of the present utility model.

[0018] Figure 4 It is a schematic structural diagram of the sleeve and the sound insulation sleeve of the present utility model.

[0019] Figure 5 It is a schematic structural diagram of the mounting frame and the limiting block of the present utility model.

[0020] Figure 6 It is a schematic structural diagram of the staple tube and the mounting frame of the present utility model.

[0021] In the figure: 101 - main sleeve, 102 - sleeve, 103 - sound insulation sleeve, 104 - staple tube, 105 - return spring, 106 - firing pin, 107 - needle tube, 108 - needle rod, 109 - handle, 110 - firing spring, 111 - inclined surface, 112 - abutting surface, 113 - sound insulation pad, 114 - brake pin, 115 - brake spring, 116 - annular groove, 117 - internal thread hole, 118 - first external thread, 201 - mounting frame, 202 - limiting block. Specific embodiments

[0022] The following details the embodiments of the present utility model. The examples of the embodiments are shown in the drawings. The embodiments described below with reference to the drawings are exemplary and are intended to explain the present utility model and should not be construed as a limitation to the present utility model.

[0023] The first embodiment of the present application is as follows:

[0024] Please refer to Figures 1-4 , Figure 1 It is a schematic structural diagram of the staple tube and the needle tube of the present utility model, Figure 2 It is a schematic overall structural diagram of the staple tube of the present utility model, Figure 3 It is a schematic structural diagram of the staple tube and the sound insulation pad of the present utility model, Figure 4It is a schematic structural diagram of the sleeve and sound insulation sleeve of the present utility model. The present utility model provides a sound insulation structure for a fastener, including a main sleeve 101 and a structural component; the structural component includes a sleeve 102, a sound insulation sleeve 103, a nail tube 104, a return spring 105, a firing pin 106, a needle tube 107, a needle rod 108, a handle 109, a firing spring 110, an inclined surface 111, a abutting surface 112, a sound reduction pad 113, a brake pin 114 and a brake spring 115. The nail tube 104 has an annular groove 116, the sound insulation sleeve 103 has an internal threaded hole 117, and the sleeve 102 has a first external thread 118. Through the foregoing solution, the problem that in the prior art during operation, the sound insulation sleeve 103 and the nail tube 104 are prone to being not closely attached, resulting in poor sound insulation effect and poor sealing performance between the sound insulation sleeve 103 and the nail tube 104, thus affecting the use effect of the structure, is solved. It can be understood that the foregoing solution can be used in the case where in the prior art during operation, the sound insulation sleeve 103 and the nail tube 104 are prone to being not closely attached.

[0025] For this specific embodiment, when the nail tube 104 abuts against the sound insulation sleeve 103, the inclined surface 111 cooperates with the abutting surface 112 to make the nail tube 104 and the sound insulation sleeve 103 more closely attached. At the same time, the nail tube 104 drives the sound reduction pad 113 to abut against the sound insulation sleeve 103, forming a sealed space between the nail tube 104 and the sound insulation sleeve 103, thereby improving the sound insulation effect and sealing performance between the sound insulation sleeve 103 and the nail tube 104, and thus improving the use effect of the structure.

[0026] Among them, the sleeve 102 is slidably installed on one side of the main sleeve 101. The syringe needle 107 is threadedly connected to the sleeve 102. The needle rod 108 is connected to the firing pin 106 tube through a pin. The handle 109 is threadedly connected to the main sleeve 101 and is located on the side of the main sleeve 101 away from the sleeve 102. One end of the firing spring 110 is connected to the handle 109, and the other end of the firing spring 110 is connected to the rod of the firing pin 106. One end of the return spring 105 is connected to the main sleeve 101, and the other end of the return spring 105 is connected to the sleeve 102. The firing pin 106 is slidably connected to the syringe needle 107 and is fixedly connected to the needle rod 108. The silencer sleeve 103 is threadedly connected to the sleeve 102. The staple tube 104 is slidably connected to the syringe needle 107 and is slidably connected to the silencer sleeve 103. The inclined surface 111 is located on the side of the silencer sleeve 103 close to the staple tube 104 and cooperates with the staple tube 104. The abutting surface 112 is located on the side of the staple tube 104 close to the inclined surface 111 and cooperates with the inclined surface 111. The silencer sleeve 103 is sleeved on the staple tube 104. The inner side of the bottom end of the main sleeve 101 is designed with internal threads, and the outer side of the lower end of the main sleeve 101 is designed with a sheath. The outer side of the top end of the handle 109 is designed with external threads, and the external threads of the handle 109 are connected to the internal threads of the main sleeve 101. The outer side of the top end of the sleeve 102 is designed with first external threads, and the lower part of the outer side of the sleeve 102 is slidably connected to the inner top of the main sleeve 101. The outer side of the silencer sleeve 103 is designed with a heat insulation sleeve to insulate the silencer sleeve 103 from heat. The top end of the silencer sleeve 103 is designed with a dust cover. The inner side of the bottom end of the silencer sleeve 103 is designed with an internal thread hole, and the internal thread hole of the silencer sleeve 103 is connected to the first external threads of the sleeve 102. The inclined surface 111 is located in the upper part of the inner side of the silencer sleeve 103. The outer side of the upper part of the staple tube 104 is designed with an annular groove. The outer side of the bottom end of the staple tube 104 is slidably connected to the inner side of the top end of the sleeve 102. The outer side of the top end of the staple tube 104 is slidably connected to the inner side of the top end of the silencer sleeve 103. The abutting surface 112 is located on the outer side of the upper part of the staple tube 104. The outer side of the top end of the syringe needle 107 is slidably connected to the inner side of the bottom end of the staple tube 104. The middle part of the outer side of the syringe needle 107 is slidably connected to the lower part of the inner side of the sleeve 102. The sound damping pad 113 is made of rubber material, and the inner side of the sound damping pad 113 is sleeved on the annular groove of the staple tube 104. The top end of the needle rod 108 is designed with a mounting groove, and the outer side of the needle rod 108 is designed with a through hole. The through hole of the needle rod 108 is installed in the inner side of the bottom end of the syringe needle 107 through a pin. The outer side of the top end of the firing pin 106 is slidably connected to the inner side of the syringe needle 107, and the bottom end of the firing pin 106 is fixedly connected to the mounting groove of the needle rod 108.The firing spring 110 supports the bottom end of the needle rod 108, and the return spring 105 supports the bottom end of the sleeve 102. When the nail tube 104 abuts against the silencer sleeve 103, the inclined surface 111 cooperates with the abutting surface 112 to make the nail tube 104 and the silencer sleeve 103 fit more closely. At the same time, the nail tube 104 drives the sound reduction pad 113 to abut against the silencer sleeve 103, so as to form a sealed space between the nail tube 104 and the silencer sleeve 103, thereby improving the sound reduction effect and sealing performance between the silencer sleeve 103 and the nail tube 104, and thus improving the use effect of the structure.

[0027] Secondly, the nail tube 104 has an annular groove 116, which is located on the side of the nail tube 104 close to the sound reduction pad 113 and cooperates with the sound reduction pad 113. The annular groove 116 is located on the upper outer side of the nail tube 104. By sleeving the sound reduction pad 113 on the annular groove 116, the connection between the nail tube 104 and the sound reduction pad 113 is realized.

[0028] Then, the silencer sleeve 103 has an internal threaded hole 117, which is located on the side of the silencer sleeve 103 close to the sleeve 102 and cooperates with the sleeve 102; the sleeve 102 has a first external thread 118, which is located on the side of the sleeve 102 close to the internal threaded hole 117 and cooperates with the internal threaded hole 117. The internal threaded hole 117 is located inside the bottom end of the silencer sleeve 103, and the first external thread 118 is located on the outer side of the top end of the sleeve 102. By rotating the silencer, the internal threaded hole 117 cooperates with the first external thread 118, and then the silencer is installed on the top end of the sleeve 102, so as to realize the connection between the sleeve 102 and the silencer sleeve 103.

[0029] Finally, the brake pin 114 is slidably connected to the needle rod 108 and is located on the side of the needle rod 108 close to the needle tube 107; one end of the brake spring 115 is connected to the brake pin 114, and the other end of the brake spring 115 is connected to the needle tube 107. A sliding hole is designed on the lower outer side of the needle rod 108, and an installation cavity is designed at the left end of the brake pin 114. The outer side of the brake pin 114 is slidably connected to the sliding hole of the needle rod 108, and the brake spring 115 supports the inner side of the left end of the needle rod 108. When the needle tube 107 and the needle rod 108 are separated, the brake spring 115 drives the brake pin 114 to move on the needle rod 108, and the bottom end of the needle tube 107 abuts against the outer side of the brake pin 114, so as to limit the position of the needle tube 107.

[0030] When using a silencing structure of a fastener according to this embodiment, when the nail tube 104 abuts against the silencing sleeve 103, the inclined surface 111 cooperates with the abutting surface 112 to make the nail tube 104 fit more closely with the silencing sleeve 103. At the same time, the nail tube 104 drives the sound reduction pad 113 to abut against the silencing sleeve 103, so as to form a sealed space between the nail tube 104 and the silencing sleeve 103, thereby improving the sound reduction effect and sealing performance between the silencing sleeve 103 and the nail tube 104, and thus improving the use effect of the structure.

[0031] The second embodiment of this application is as follows:

[0032] Please refer to Figure 5 and Figure 6 , Figure 5 which are schematic structural diagrams of the installation frame and the limiting block of the present utility model, Figure 6 and which are schematic structural diagrams of the nail tube and the installation frame of the present utility model. On the basis of the first embodiment, the structural components of this embodiment further include an installation frame 201 and a limiting block 202.

[0033] For this specific embodiment, the nail tube 104 drives the installation frame 201 to move on the limiting block 202, thereby restricting the moving angle of the nail tube 104.

[0034] Among them, the installation frame 201 is fixedly connected to the nail tube 104 and is located on the side of the nail tube 104 away from the firing pin 106; the limiting block 202 is slidably connected to the installation frame 201 and is fixedly connected to the sleeve 102. A plurality of installation grooves are designed on the outer side of the bottom end of the nail tube 104. There are a plurality of installation frames 201. A sliding groove is designed at the end of the installation frame 201. The outer side of the closed end of the installation frame 201 is fixedly connected to the installation groove of the nail tube 104. There are a plurality of limiting blocks 202. The outer side of the limiting block 202 is fixedly connected to the inner upper part of the sleeve 102. The outer side of the limiting block 202 is slidably connected to the sliding groove of the installation frame 201. The nail tube 104 drives the installation frame 201 to move on the limiting block 202, thereby restricting the moving angle of the nail tube 104.

[0035] When using a silencing structure of a fastener according to this embodiment, the nail tube 104 drives the installation frame 201 to move on the limiting block 202, thereby restricting the moving angle of the nail tube 104.

[0036] The above-disclosed are only one or more preferred embodiments of this application, and the scope of rights of this application cannot be limited thereby. Those of ordinary skill in the art can understand all or part of the processes of implementing the above embodiments, and the equivalent changes made according to the claims of this application still fall within the scope covered by this application.

Claims

1. A silencing structure for a fastener, including a main sleeve, characterized in that, it further includes a structural component; The structural component includes a sleeve, a silencing sleeve, a nail tube, a return spring, a firing pin, a needle tube, a needle rod, a handle, a firing spring, an inclined surface, a resisting surface and a sound reduction pad. The sleeve is slidably installed on one side of the main sleeve. The needle tube is threadedly connected to the sleeve. The needle rod is connected to the needle tube through a pin. The handle is threadedly connected to the main sleeve and is located on the side of the main sleeve away from the sleeve. One end of the firing spring is connected to the handle, and the other end of the firing spring is connected to the needle rod. One end of the return spring is connected to the main sleeve, and the other end of the return spring is connected to the sleeve. The firing pin is slidably connected to the needle tube and is fixedly connected to the needle rod. The silencing sleeve is threadedly connected to the sleeve. The nail tube is slidably connected to the needle tube and is slidably connected to the silencing sleeve. The inclined surface is located on the side of the silencing sleeve close to the nail tube and cooperates with the nail tube. The resisting surface is located on the side of the nail tube close to the inclined surface and cooperates with the inclined surface. The silencing sleeve is sleeved on the nail tube.

2. The silencing structure for a fastener according to claim 1, characterized in that, The nail tube has an annular groove, which is located on the side of the nail tube close to the sound reduction pad and cooperates with the sound reduction pad.

3. The silencing structure for a fastener according to claim 1, characterized in that, The silencing sleeve has an internal threaded hole, which is located on the side of the silencing sleeve close to the sleeve and cooperates with the sleeve; the sleeve has a first external thread, which is located on the side of the sleeve close to the internal threaded hole and cooperates with the internal threaded hole.

4. The silencing structure for a fastener according to claim 1, characterized in that, The structural component further includes a brake pin and a brake spring. The brake pin is slidably connected to the needle rod and is located on the side of the needle rod close to the needle tube; one end of the brake spring is connected to the brake pin, and the other end of the brake spring is connected to the needle tube.

5. The silencing structure for a fastener according to claim 1, characterized in that, The structural component further includes a mounting frame and a limiting block. The mounting frame is fixedly connected to the nail tube and is located on the side of the nail tube away from the firing pin; the limiting block is slidably connected to the mounting frame and is fixedly connected to the sleeve.

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