CN113622531A

CN113622531A - Novel flame-retardant low-temperature-resistant heat-preservation nail

Info

Publication number: CN113622531A
Application number: CN202111049544.3A
Authority: CN
Inventors: 罗庆伟; 严金冲
Original assignee: Ningbo Xieyi Fastener Co ltd
Current assignee: CIXI SHUNTAO HARDWARE INDUSTRY Co.,Ltd.
Priority date: 2021-09-08
Filing date: 2021-09-08
Publication date: 2021-11-09
Anticipated expiration: 2041-09-08
Also published as: CN113622531B

Abstract

The invention discloses a novel flame-retardant low-temperature-resistant heat-preservation nail, which comprises a sleeve and a shooting nail, wherein the shooting nail is inserted into the sleeve, and one end of the sleeve is provided with a fixed wafer; a first supporting block and a second supporting block are fixed on the inner side wall of the sleeve, and a fixing component for limiting the inserted shooting nail is mounted on the first supporting block; the fixing component comprises a circular ring with four hollowed-out grooves on the outer side, and four arc-shaped clamping blocks are distributed in the circular ring in an annular array mode.

Description

Novel flame-retardant low-temperature-resistant heat-preservation nail

Technical Field

The invention relates to the technical field of heat-insulating nails, in particular to a novel flame-retardant low-temperature-resistant heat-insulating nail.

Background

The heat-insulating nail is a special engineering plastic expansion nail for fixing the heat-insulating plate on a wall body. The heat-insulating nail is a special anchoring part for heat insulation of an outer wall, and is widely applied to anchoring of a wall heat-insulating layer in building decoration. Consists of a shooting nail, a nylon sleeve and a fixed circular sheet.

At present, the heat preservation nail appears droing by a large scale and the accident that arouses when reducing the conflagration to take place, flame-retardant heat preservation nail has appeared in the market and has been fixed and can prevent the large tracts of land and drop when taking place the conflagration, reduce the loss that the accident causes, and play the safety action, but traditional flame-retardant heat preservation nail can appear rocking when inserting the screw, especially some constructors can become not too nimble because long-term work hand can, can't aim at the hole of heat preservation nail when inserting the screw like this, construction period has both been prolonged, the efficiency of heat preservation construction has been reduced again, waste time and energy very, for this reason, we propose novel fire-retardant low temperature resistant heat preservation nail.

Disclosure of Invention

The invention aims to provide a novel flame-retardant low-temperature-resistant heat-preservation nail which is convenient to construct and operate, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: the novel flame-retardant low-temperature-resistant heat-insulation nail comprises a sleeve and a shooting nail, wherein the shooting nail is inserted into the sleeve, and a fixed wafer is arranged at one end of the sleeve; a first supporting block and a second supporting block are fixed on the inner side wall of the sleeve, and a fixing component for limiting the inserted shooting nail is mounted on the first supporting block; the fixed subassembly includes that the outside has the ring in four fretwork grooves, it has four arc clamp blocks to be annular array distribution in the ring, the inboard symmetry of arc clamp block is fixed with two tight wheels of clamp, the outside of arc clamp block still symmetry is fixed with two first springs, the other end of first spring is fixed with the connecting plate, and the connecting plate is fixed on first supporting block, the one end that the tight wheel of clamp was kept away from to the arc clamp block is installed and is used for driving the arc clamp block and carry out the first driving piece that removes.

Preferably, first driving piece is including fixing the dead lever at arc clamp splice outside middle part, the one end that the arc clamp splice was kept away from to the dead lever is fixed with the pulley, the outside sliding contact of pulley has the cam, fixed cover has connect the pivot on the cam, the outside of pivot is fixed with driven gear, one side meshing of driven gear has drive gear, the downthehole axostylus axostyle that is fixed with in drive gear's centre bore, the both ends of pivot are rotated respectively and are connected on first supporting shoe and second supporting shoe, the one end of axostylus axostyle is fixed with the dwang, install on the second supporting shoe and be used for driving four dwangs and carry out the second driving piece of rotation simultaneously.

Preferably, the second driving piece includes a sun gear and four planetary gear, four the dwang is fixed with four planetary gear's centre bore respectively, and four planetary gear respectively with sun gear's outside meshing be connected, four planetary gear's the outside all meshes same ring gear respectively, the dwang rotates with first supporting block to be connected, sun gear's inboard is provided with the multiunit locating part, it is fixed with sun gear through the locating part to penetrate the nail.

Preferably, the sheathed tube inside wall is that annular array is fixed with four U type pieces, the rotary trough has been seted up on the U type piece, the rotary trough internal fixation has the axle sleeve, the dwang cup joints the inboard at the axle sleeve.

Preferably, the locating part is including seting up the fixed slot in the inboard centre bore of sun gear, the tank bottom of fixed slot is fixed with the second spring, the one end that the fixed slot tank bottom was kept away from to the second spring is fixed with the butt piece, the butt piece is the hemisphere, and the surface of penetrating the nail set up with the butt groove of butt piece looks adaptation.

Preferably, the sleeve and the fixing disc are both injection molded by using forty percent of linear low-density polyethylene and forty percent of high-density polyethylene and twenty percent of PE flame retardant at the high temperature of 210-220 ℃.

Preferably, an annular track is fixed on the second supporting block, an arc-shaped groove is formed in the annular track, and balls in rolling connection with the inner side of the arc-shaped groove are mounted on one side of the inner gear ring.

Preferably, the outer sides of the movable sleeve and the fixed sleeve are provided with expansion ribs, so that the contact area between the sleeve and the heat insulation layer can be increased.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, through the mutual matching of the fixing component, the first driving part and the second driving part, the shooting nail inserted into the sleeve can be fixed, and the situation that the traditional flame-retardant heat-insulation nail is shaken stably when the screw is inserted is prevented, so that the hole of the heat-insulation nail cannot be aligned when the screw is inserted, the construction period is shortened, the efficiency of heat-insulation layer construction is improved, and the construction operation is more rapid and convenient.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

FIG. 2 is a schematic view of a fixing assembly according to the present invention;

FIG. 3 is a schematic view of a first driving member according to the present invention;

FIG. 4 is a schematic view of a second driving member according to the present invention;

FIG. 5 is a partial schematic view of the present invention;

FIG. 6 is a schematic view of the ring gear structure of the present invention;

fig. 7 is a schematic view of a position limiting member according to the present invention.

In the figure: 1-a sleeve; 2-shooting a nail; 3-fixing the wafer; 4-a first support block; 5-a second support block; 6-a fixing component; 7-a circular ring; 8-arc-shaped clamping blocks; 9-a clamping wheel; 10-a first spring; 11-a connecting plate; 12-a first drive member; 13-a fixation rod; 14-a pulley; 15-a cam; 16-a rotating shaft; 17-a driven gear; 18-a drive gear; 19-rotating rods; 20-a second drive member; 21-a sun gear; 22-a planetary gear; 23-ring gear; 24-a limit piece; a 25-U shaped block; 26-rotary groove; 27-a shaft sleeve; 28-fixed groove; 29-a second spring; 30-a butt block; 31-an abutment groove; 32-a circular track; 33-arc-shaped grooves; 34-a ball bearing; 35-expansion bead.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1

As shown in fig. 1-2, the novel flame-retardant low-temperature-resistant heat-preservation nail in the figures comprises a casing 1 and a shooting nail 2, wherein the shooting nail 2 is inserted into the casing 1, and a fixing circular sheet 3 is arranged at one end of the casing 1; a first supporting block 4 and a second supporting block 5 are fixed on the inner side wall of the sleeve 1, and a fixing component 6 for limiting the inserted shooting nail 2 is mounted on the first supporting block 4; fixed subassembly 6 includes that the outside has the ring 7 in four fretwork grooves, it has four arc clamp splice 8 to be annular array distribution in the ring 7, the inboard symmetry of arc clamp splice 8 is fixed with two tight pulleys 9, the outside of arc clamp splice 8 is still symmetrically fixed with two first springs 10, the other end of first spring 10 is fixed with connecting plate 11, and connecting plate 11 fixes on first supporting block 4, the one end that tight pulley 9 was kept away from to arc clamp splice 8 is installed and is used for driving arc clamp splice 8 to carry out the first driving piece 12 that removes.

As shown in fig. 1 and 3, in order to drive the arc-shaped clamping block 8 to move, the first driving element 12 includes a fixing rod 13 fixed at the middle part of the outer side of the arc-shaped clamping block 8, a pulley 14 is fixed at one end of the fixing rod 13 far away from the arc-shaped clamping block 8, a cam 15 is in sliding contact with the outer side of the pulley 14, a rotating shaft 16 is fixedly sleeved on the cam 15, a driven gear 17 is fixed at the outer side of the rotating shaft 16, a driving gear 18 is meshed with one side of the driven gear 17, a shaft rod is fixed in a central hole of the driving gear 18, two ends of the rotating shaft 16 are respectively rotatably connected to the first supporting block 4 and the second supporting block 5, a rotating rod 19 is fixed at one end of the rotating shaft 16, and a second driving element 20 for driving the four rotating rods 19 to rotate simultaneously is installed on the second supporting block 5.

Meanwhile, as shown in fig. 1, in order to improve the flame retardancy of the heat-insulating nail, the sleeve 1 and the fixing wafer 3 are both molded by using forty percent of linear low-density polyethylene, forty percent of high-density polyethylene and twenty percent of PE flame retardant at the high temperature of 210 and 220 ℃.

Meanwhile, as shown in fig. 1, in order to increase the contact area of the sleeve 1 with the insulation layer, an expansion rib 35 is provided on the outer side of the sleeve 1.

When fixing the inserted nail 2: at first, it is rotatory to drive dwang 19 through second driving piece 20, dwang 19 drives drive gear 18 and rotates, drive gear 18 drives driven gear 17 rotatory, driven gear 17 drives cam 15 through pivot 16 and rotates an angle, cam 15 can promote dead lever 13 through pulley 14 when rotatory and move, and then drive arc clamp splice 8 by dead lever 13 and move towards penetrating nail 2, because four arc clamp splices 8 move in step, so four inboard tight pulley 9 of arc clamp splice 8 under the regulation of spring with penetrate nail 2 surface clamping contact well.

Example 2

As shown in fig. 4 and 7, in this embodiment, to further describe example 1, the second driving member 20 in the figure includes a central gear 21 and four planetary gears 22, four rotating rods 19 are respectively fixed to central holes of the four planetary gears 22, the four planetary gears 22 are respectively connected to outer sides of the central gear 21 in a meshed manner, outer sides of the four planetary gears 22 are respectively meshed with a same inner gear ring 23, the rotating rods 19 are rotatably connected to the first supporting block 4, a plurality of sets of limiting members 24 are disposed on an inner side of the central gear 21, and the shooting pin 2 is fixed to the central gear 21 through the limiting members 24.

Wherein, as shown in fig. 5, in order to make the rotating rod 19 more stable in rotation, the inside wall of the casing 1 is a circular array and is fixed with four U-shaped blocks 25, a rotating groove 26 has been opened on the U-shaped blocks 25, a shaft sleeve 27 is fixed in the rotating groove 26, and the rotating rod 19 is sleeved on the inner side of the shaft sleeve 27.

In addition, as shown in fig. 6, in order to reduce the friction force between the inner ring gear 23 and the annular rail 32 and enable the rotation to be smoother, an annular rail 32 is fixed on the second supporting block 5, an arc-shaped groove 33 is formed on the annular rail 32, and a ball 34 in rolling connection with the inner side of the arc-shaped groove 33 is installed on one side of the inner ring gear 23.

When the four rotating levers 19 are simultaneously rotated: firstly, the shooting nail 2 is inserted into the sleeve 1, at the moment, the shooting nail 2 is fixed with the central gear 21 through the limiting part 24, then the shooting nail 2 is rotated, the shooting nail 2 drives the central gear 21 to rotate, the central gear 21 drives the four planetary gears 22 to rotate together, and then the four rotating rods 19 connected with the four planetary gears 22 are driven to synchronously rotate.

Example 3

As shown in fig. 7, the limiting member 24 includes a fixing groove 28 formed in a central hole inside the central gear 21, a second spring 29 is fixed at the bottom of the fixing groove 28, an abutting block 30 is fixed at one end of the second spring 29 away from the bottom of the fixing groove 28, the abutting block 30 is hemispherical, and an abutting groove 31 matched with the abutting block 30 is formed on the surface of the nail 2.

When the shooting nail 2 and the central gear 21 are limited: penetrate nail 2 through with butt piece 30 surface contact when inserting the centre bore of sun gear 21, then butt piece 30 can compress second spring 29 and remove in fixed slot 28, until penetrating nail 2 and inject the sleeve pipe 1 completely in, then butt piece 30 is to the position in butt groove 31, second spring 29 resumes elasticity and drives butt piece 30 card and advance in butt groove 31 to the realization is penetrated the butt joint of nail 2 and sun gear 21, and convenience of customers rotates and penetrates nail 2 and further fix a position.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Novel fire-retardant low temperature resistant heat preservation nail, its characterized in that includes:

the nail shooting device comprises a sleeve (1) and a shooting nail (2), wherein the shooting nail (2) is inserted into the sleeve (1), and one end of the sleeve (1) is provided with a fixing disc (3);

a first supporting block (4) and a second supporting block (5) are fixed on the inner side wall of the sleeve (1), and a fixing component (6) for limiting the inserted shooting nail (2) is mounted on the first supporting block (4);

fixed subassembly (6) have ring (7) in four fretwork grooves including the outside, one side at first supporting block (4) is fixed in ring (7), it has four arc clamp splice (8) to be annular array distribution in ring (7), the inboard symmetry of arc clamp splice (8) is fixed with two tight wheels of clamp (9), the outside of arc clamp splice (8) is still the symmetry and is fixed with two first springs (10), the other end of first spring (10) is fixed with connecting plate (11), and connecting plate (11) are fixed on first supporting block (4), the one end that tight wheel (9) were kept away from in arc clamp splice (8) is installed and is used for driving first driving piece (12) that arc clamp splice (8) moved.

2. The novel flame-retardant low-temperature-resistant heat-preservation nail according to claim 1, characterized in that: the first driving piece (12) comprises a fixed rod (13) fixed at the middle part of the outer side of the arc-shaped clamping block (8), a pulley (14) is fixed at one end of the fixed rod (13) far away from the arc-shaped clamping block (8), the outer side of the pulley (14) is in sliding contact with a cam (15), a rotating shaft (16) is fixedly sleeved on the cam (15), a driven gear (17) is fixed on the outer side of the rotating shaft (16), one side of the driven gear (17) is engaged with a driving gear (18), a shaft lever is fixed in a central hole of the driving gear (18), two ends of the rotating shaft (16) are respectively and rotatably connected to the first supporting block (4) and the second supporting block (5), one end of the shaft lever is fixed with a rotating lever (19), and a second driving part (20) which is used for driving the four rotating levers (19) to rotate simultaneously is installed on the second supporting block (5).

3. The novel flame-retardant low-temperature-resistant heat-preservation nail according to claim 2, characterized in that: second driving piece (20) are including a sun gear (21) and four planetary gear (22), four dwang (19) are fixed with the centre bore of four planetary gear (22) respectively, and four planetary gear (22) are connected with the outside meshing of sun gear (21) respectively, four planetary gear's (22) outside all meshes same ring gear (23) respectively, dwang (19) rotate with first supporting block (4) and are connected, the inboard of sun gear (21) is provided with multiunit locating part (24), it is fixed with sun gear (21) through locating part (24) to penetrate nail (2).

4. The novel flame-retardant low-temperature-resistant heat-preservation nail according to claim 3, characterized in that: the inside wall of sleeve pipe (1) is that annular array is fixed with four U type pieces (25), rotary trough (26) have been seted up on U type piece (25), rotary trough (26) internal fixation has axle sleeve (27), dwang (19) cup joint the inboard at axle sleeve (27).

5. The novel flame-retardant low-temperature-resistant heat-preservation nail according to claim 3, characterized in that: locating part (24) are including offering fixed slot (28) in the inboard centre bore of sun gear (21), the tank bottom of fixed slot (28) is fixed with second spring (29), the one end that fixed slot (28) tank bottom was kept away from in second spring (29) is fixed with butt piece (30), butt piece (30) are the hemisphere, and penetrate the surface of nail (2) and offer butt groove (31) with butt piece (30) looks adaptation.

6. The novel flame-retardant low-temperature-resistant heat-preservation nail according to claim 1, characterized in that: the sleeve (1) and the fixed wafer (3) are both molded by adopting forty percent of linear low-density polyethylene, forty percent of high-density polyethylene and twenty percent of PE fire retardant at the high temperature of 210-220 ℃.

7. The novel flame-retardant low-temperature-resistant heat-preservation nail according to claim 2, characterized in that: an annular track (32) is fixed on the second supporting block (5), an arc-shaped groove (33) is formed in the annular track (32), and balls (34) which are in rolling connection with the inner side of the arc-shaped groove (33) are mounted on one side of the inner gear ring (23).

8. The novel flame-retardant low-temperature-resistant heat-preservation nail according to claim 1, characterized in that: and an expansion rib (35) is arranged on the outer side of the sleeve (1).